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Multiprotocol Rail Reader User Guide

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1. 0 0 0v 9 ons in Inches ing Hole Locati d Mount imensions an Figure 4 8 MPRR Outer D not to scale 4 11 Multiprotocol Rail Reader System Guide CAUTION Mounting to an Enclosure Wall or Flat Surface Required Materials You need the following materials to install the MPRR on an enclosure wall or flat sur face Ensure the use of high quality corrosion resistant anchor hardware e Anchor hardware suitable for the surface on which you mount MPRR The MPRR weighs 5 1 lbs 2 3 kg so choose mounting hardware that is adequate to secure the unit to a wall After mounting the MPRR you must connect it to a dedicated 16 to 20V AC or 16 to 28V DC power supply Caution To avoid damage to the MPRR connect the antenna s before applying power to the reader Mounting the Antenna Rail Side Position the antenna as close as possible to the MPRR Long cable runs increase sys tem sensitivity to noise See Table 2 5 on page 2 13 for maximum RF cable lengths This section provides guidelines for mounting antennas After mounting the antenna you must connect it to the MPRR Follow the procedures de
2. 2 11 Table 2 5 Reader to Antenna Cable Performance 2 13 Table 3 1 Tags Read by the MPRR 1 hh hh nnn 3 3 Table 4 1 Installation 0 4 4 Table 4 2 MPRR to Host Communications Cable Pin Designations TransCore P N 58 7001 003 or 28 7001 004 LL te get We alia A en are in wan Rae Gy aoe ea ca ta 4 9 Table 4 3 Commands for Testing RF Port O 4 15 Table 4 4 Commands for Testing RF 1 4 17 Table 4 5 Commands for Testing RF PORT 2 4 17 Table 4 6 Commands for Testing RF PORT 3 4 17 Table 5 1 Four Character Command Structure 5 3 Table 5 2 Sample Command Sequence 5 4 Table 7 1 Select Baud Rate Commands 7 7 Table 7 2 Select Stop Bits Commands 7 8 Table 7 3 Select Parity Commands 7 8 Table 7 4 Append Time and Date Commands 7 10 Table 7 5 Append Auxiliary Information
3. 7 11 Table 7 6 Unique ID Code 7 12 Table 7 7 Select Valid Code Commands and Frames 7 13 Table 7 8 Flow Control Commands 7 26 Table 7 9 RF Control 7 27 Table 7 10 RF Attenuation Command Variables 7 28 Table 7 11 Select RF Frequency Commands 7 29 Table 7 12 Presence Without Tag Report Commands 7 31 Table 7 13 RF Control Algorithm Commands 7 31 Table 7 14 Timeout Period Values 7 82 Table 7 15 Input Inversion Options 7 33 Table 8 1 MPRR Default Configuration Settings 8 3 Table 8 2 Command Sequence to Verify Communications 8 9 Table 9 1 Error Messages 9 3 Table 9 2 Symptoms and Remedies 9 4 Table 10 1 MPRR to TRU Interface Cable Pin and Signal Designations 10 6 Tab
4. Command Name Code Reader Message RF timeout set 693N Done N 0 always expired 4 8 12 20 24 32 48 60 92 152 300 452 600 752 ms infinite RFO filter status display 530 RFOS Ux VO UO one ID separation U1 two ID U2 transmit all SeGo disable 484 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported SeGo enable 485 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported SeGo protocol operating range 645NN Done set NN 00 shortest to 1F longest SeGo protocol tag initialization 456 Done during multi tag sort SeGo protocol tag initialization 457 Done during multi tag sort disable Serial number set 695S S Done S S ASCII string maximum length of 6 characters Set check tag character on 8142X Done check tag pin 0 Set check tag character on 8143X Done check tag pin 1 Set check tag address to 0 on 8150 Done check tag pin 0 Set check tag address to 1 on 8151 Done check tag pin 0 Set check tag address to 0 on 8152 Done check tag pin 1 Set check tag address to 1 on 8153 Done check tag pin 1 D 21 Multiprotocol Rail Reader System Guide D 22 Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message Set user programmable group select equals GSE filter 697 MM AA DDDDDDDDDDDDDDDD where MM determines which of the eight com
5. 2 4 Reading of Mixed Population Tags 2 4 Antenna and Tag 2 5 s uoo sd eon S ir o OREM SLE ye he ene 2 5 Unobsirucied Line of Sight vc 22 Bene RN 2 6 Ahlenna Selecuon 2 e See ERA EE EET TREES 2 7 AASTIO Parapanel pip cece eh ee Reed ar wee sex iO 2 7 AA3140 PCB Log Periodic 2 7 Site Layout and Traffic 2 8 The MPRR Read Zone cs is ii Bee EV CERERI Au a EAE 2 8 Other MPRRs and Antennas in the Area AAR formatted Tag Operation 2 8 Xi Multiprotocol Rail Reader System Guide Reflection Refraction and Diffraction of RF Signals 2 10 Existing Signal Interference at the 5 2 10 Electrical and Communications 15 2 10 Power and Communications 2 11 ElecitcalROWEer 2 a Le a a tad Ds a 2 11 Host 2 2 12 us weg era Rede x EA AAA AR 2 13 Antenna Interface 2 13 3 Choosing Installing and Removing Tags Compatible Tag
6. 4 14 5 General Software Information Command Entry 5 5 3 Command Response 5 4 Operating Parameters xi a a ra 5 4 Power Fall ida ds ie 5 5 Program Download en 5 5 Download 5 A oe ee ee 5 5 Download 5 5 radar dodne 5 5 On MOSSAUB stereo bien concisa reee 5 6 Bool Failure 5 6 Iag Message 5 6 6 Communications Protocols InIFOOHCHORN uuu A A Wee en 6 3 Basic Protocol ssiri AA AR AAA ERRARE ERE RR ER 6 4 Error Correcting 1 6 4 Inguiry Protocol sv vois Vus Er pas Eos RERO en 6 5 xiii Multiprotocol Rail Reader System Guide Basic Protocol and ECP 1 6 5 Reader Transmissions ooooooooooo 2 2 6 5 ECP Host ACK NAK 6 6 Switch to Command Mode 6 7 Host TransmlisslOn x vesc ee RR UE RR CERO hie reds 6 7 Reader Command
7. 0 7 87 Oxfd8f 0x7e97 0x6eb6 Oxff9f Oxefbe 0x9188 0x81a9 0x1080 0x00al 0x83b9 0x9398 0x2042 Oxal4a 0x32T73 0xb37b 0x0420 0x8528 0x1611 0x9719 0x6886 0xe98e Ox7ab7 Oxfbbf Ox4ce4 Oxcdec Ox5ed5 Oxdfdd Oxblca 0x30c2 Oxa3fb 0x3063 0xb16b 0x2252 0xa35a 0x1401 0x9509 0x0630 0x8738 0x78a7 Oxf9af 0x6a96 Oxeb9e Ox5cc5 Oxddcd Ox4ef4 Oxcffc Oxaleb 0x20e3 Oxb3da 0x4048 Oxc18c 0x52b5 Oxd3bd 0x64e6 Oxe5ee Ox76d7 Oxf7df 0x0840 0x8948 0 1 71 Ox9b79 0x2c22 Oxad2a 0x3e13 Oxbflb 10 0 5004 Oxc33d crc crctab crc gt gt 8 amp 255 0x50a5 Oxdlad 0x4294 Oxc39c 0x74c7 Oxf5cf 0x66f6 Oxe7fe 0x1861 0x9969 0x0a50 0x8b58 0x3c03 Oxbd0b 0x2e32 Oxaf3a 0 12 0 4025 0xd31c crc 8 0x60c6 Oxelce 0x72f7 Oxf3tf 0x44a4 Oxc5ac 0x5695 Oxd79d 0x2802 Oxa90a 0x3a33 Oxbb3b 0x0c60 0x8d68 1 51 Ox9f59 Oxfl4e 0x7046 0xe37f cp 0x70e7 Oxflef 0x62d6 Oxe3de 0x5485 Oxd58d 0x46b4 Oxc7bc 0x3823 0xb92b 0x2a12 Oxabla 0 1 41 0 9 49 0x0e70 0x8f78 Oxel6f 0x6067 0xf35e 6 15 Multiprotocol Rail Reader System Guide 0x02
8. 10 5 Figure 10 3 MPRR TRU Communications Interface Cable 10 6 Figure 11 1 Place Nut and Grommet Over Exposed Check Tag 11 4 Figure 11 2 Feed Check Tag Wires through Plastic Housing Connector 11 4 Figure 11 3 Connect Check Tag 11 4 Figure 11 4 Two Check Tag Assemblies Connected to Terminal Strip 11 5 Figure 11 5 Securing Terminal Strip into Connector Housing 11 5 Figure 11 6 Plastic Nuts with Grommets 11 6 Figure 11 7 Nylon Cap Securely Fastened in Unused Port 11 6 Figure 11 8 Check Tag Assembly Secured to MPRR Port single check tag assembly shown 11 7 Figure C 1 DB15 Connector Pin Assignments for Signal to Host C 3 xix Multiprotocol Rail Reader System Guide XX Contents List of Tables Table 2 1 Examples of Staggered Reader Frequencies for AAR formatted Tag Operation 2 9 Table 2 2 Examples of Staggered Reader Frequencies for Tag Operation Outside the U S 2 9 Table 2 3 Connector Cabling Accessory 2 11 Table 2 4 Power Supply Current Requirements
9. 4 8 Figure 4 6 Location of Communications Power Port on 4 9 Figure 4 7 Pin Assignments for Signal to Host Connectors 4 9 Figure 4 8 MPRR Outer Dimensions and Mounting Hole Locations in Inches not to scale 4 11 Figure 4 9 Sample Read Zone Marking Pattern 4 16 Figure 8 1 Connection Description Dialog BOX 8 5 Figure 8 2 Phone Number Dialog BOX 8 5 Figure 8 3 COM 1 Properties Dialog BOX 8 6 Figure 8 4 Hyper Terminal Main 8 7 Figure 8 5 Sign on 8 8 Figure 8 6 Tag and Antenna Orientation horizontal polarization 8 10 Figure 8 7 Successful Tag 8 11 Figure 8 8 Second Successful Tag Read 8 11 Figure 8 9 MPRR RF Control Options 8 15 Figure 10 1 TRU Front Panel Showing Operational LEDS 10 4 Figure 10 2 TRU MPRR Communications Interface Cable Port bottom of TRU
10. 3 3 Reader Tag 3 3 Recommended Mounting Locations 3 3 Required Materials 3 3 MOUTING SUL ACE corro saeta alo oa 3 4 Tag POSIIORITIO s uio tee ehe ect e Den ees o tek diss 3 4 Surface Installation Techniques 3 6 Rivet Bolt Mounting 3 6 Locomotive Mounting Guidelines 3 7 Tag Placement Window 3 7 Tag nt aut 3 9 Rail Car Mounting 3 9 Tag Placement Window 3 9 Tag PIacement euis Sd qe eee ed 3 11 Tank Car Mounting 3 11 Tag Placement Window 3 11 Tag Placement san RR A A SD E 3 12 4 Installing the Multiprotocol Rail Header Installallon PROCESS e ca os C Ice wn Rp o GR C acea AAA 4 3 Materials Supplied by TransCore 4 3 Contents of Shipping 4 3 Installation Accessory
11. a a Salt hoa a tS NEN cM BA se 7 27 641 Select RF by Input Control Factory Default 7 27 643NN Select ATA Operating Range 7 27 644NN Set HF 7 28 645NN Set SeGo Protocol Operating Range Distance 7 28 647XXX Select RF Operating 7 29 65 Reset Power Fall 7 30 66F Load Default Operating 5 7 30 690N Select Presence Without Tag Report Option 7 30 692N Select RF Control 7 31 693N Select RF Timeout 7 31 694N Select Input Inversion Option 7 32 695S S Set Serial Number Factory 7 33 696S S Store Hardware Configuration String Factory Default 7 33 697 Set User Programmable Group Select Equals GSE Filter 7 34 Auxiliary Reader Control Command Group 8 7 35 8110 Switch on RF Port 0 Fire Off Check Tag Address 0 on Check Tag Pin 0 7 35 8111 Switch on RF Port 1 Fire Off Check Tag Address 1 on Check Tag Pin 0 7 35 8112 Switch on RF Port 2 Fire Off Check Tag Address 0 on Check Tag Pin 1 7 35 8113 Switch on HF Port
12. 6 8 Sample 6 9 Header Transmissions losses hh 6 9 Host Command Transmissions ius ann 6 10 Timing and Synchronization 6 11 Reader Addressed Failure Conditions 6 12 Sequence Number not in the range 0 9 6 12 Wrong Sequence 6 12 Incorrect GEO Vs 2 60 eu ncaa Rp Oo ee ea ee ees QUE eae RR dd 6 12 illegal Comas saos tania eG SB elect a Meant Rea Bene BE Bede s 6 12 Transmission Timeout ooo 6 12 Receive Timeout ooooooooooo nae 6 13 Asynchronous Message Command Message Collision 6 13 Host Addressed Failure 6 13 or Wrong Sequence 6 13 Incorrect CAG unse AAA eed 6 13 Transmission Timeout ooo 6 13 Receive Time out ae amea AA e E T Na a a aa 6 13 Asynchronous Message Command Message Collision 6 13 ECP Reliability ens rasite A RARA AAA AAA 6 13 CHE CANCUN ATION nase a Gas 6 14 Manually Disabling ECP for 6 17 7 Commands Introd ctlon 2 RE mg ncaa ae Bs on we Denn RR E 7 3 Operating Modes TES RE EE EUR ECHO ar ate as eds 7 3 D
13. 7 21 534 Display Tag Translation Mode Status 7 21 537 Display Echo SAUS s Ce AAA As 7 22 540 Display Flash Checksum vas sie ac e ac E De Eh 7 22 543 Display Boot RR WORT 7 22 549 Get User Programmable Group Select Equals GSE Filter Data 7 22 552 Display Antenna Multiplexing 7 23 560 Request Sensor Status Change 7 23 570 Display Operating Mode 5 7 23 577 Report Buffered Handshakes 7 24 Reader Control Functions Command Group 6 7 24 60NN Set Reader ID 7 24 610 Select Basic Communication Protocol Factory Default 7 24 611 Select Error Correcting 7 24 612NN Select Error Correcting Protocol 7 25 613 Enable Data Inquiry 7 25 614N Select Flow Control 7 25 6170 Disable Echo 7 26 Multiprotocol Rail Reader System Guide 6171 Enable Echo Mode Factory 7 26 63 Reset Reader oon sachs a Le BR OMe wees an ea Dey 7 26 BION AP
14. 4 4 Additional Materials Needed for 4 4 Pre installation Testing of the 4 4 Testing the MPRR Using an Audible Circuit Tester 4 4 Discharging Voltage from the 4 5 Required Equipment ruat vocet OSE SSC ee Resp So ege citat 4 5 Connecting the 4 7 Connecting the MPRR to a Power Supply 4 8 xii Contents Mounting the IS ec 4 10 Mounting to an Enclosure Wall or Flat 4 12 Required 4 12 Mounting the Antenna 4 12 Connecting the Power Supply 4 12 Connecting 5 4 12 Required Materials 4 13 Connecting the MPRR to the 4 13 Connecting Sense Input and Sense Output 4 13 Sense Input Circuits apa 4 13 5 A A a 4 14 Marking the Read 2 4 14 Required Materials
15. 5 B 4 Vi 4 Wiring Information Communications Interfaces C 3 D Command Quick Reference Comman a Syntax 62d deseo hes aes tees D 3 Factory Default 5 D 3 Numerical Command 5 D 4 Alphabetical Command 5 D 15 E Compatible Tag Information Tag Configurations gt LATA wed RARA AAA E 3 lag DATA FOrimats cs csse kae BE e Bea E 5 xviii Contents List of Figures Figure 2 1 MPRR End 2 3 Figure 2 2 Tag and Antenna Orientation horizontal polarization 2 5 Figure 2 3 Horizontally Polarized Tag 2 6 Figure 2 4 Antenna Location Relative to Tag Position 2 7 Figure 2 5 Location of Communications Power Port on 2 12 Figure 2 6 Pin Assignments for Communications Connectors 2 12 Figure 3 1 Clear Zone Side View 3 5 Figure 3 2 Clear Zone End View 3 5
16. heno 8 17 Software PIO WICORTOR a eh fea a ee 8 17 Fine Tuning and Verifying the Read 8 18 Physically Orienting the MPRR 5 8 18 Fine Tuning the Read Zone by Lowering Output Power 8 18 Fine tuning the Read Zone by Adjusting Sensitivity Range 8 19 9 Troubleshooting and Maintenance Error Messages 22 eee Romer Re Enc A 9 3 Troubleshooting dace Eg KR ca a ola we ae 9 4 MERA Repair oie vee veer Riv ER wane a DEC a La quio fedus 9 6 Technical SUPPORT QUERN REVERSE 9 6 Marketing Support uc n eA bees te A RE 9 6 10 Interface to Train Recording Unit TRU System 10 3 MPRA to TRU 10 5 11 AT5720 Check Tag to MPRR Assembly Required 11 3 PrOcegures 24 22 00 iaa 11 3 Multiprotocol Rail Reader System Guide A Glossary B Technical Specifications Reader 5 B 3 Communications cessus tyres it Sele acca cee B 3 Hardware Features ti ii le i RE ERE ts B 3 Power Requirements B 3 Physical Attributes ienen a e a a a rs so B 3 Environmental
17. Multiprotocol Rail Reader System Guide Licensing Requirements CAUTION An FCC license provides the user with the legal authorization to operate the MPRR on the licensed frequencies at the site specified in the license Only an authorized installer or service technician can set the RF frequency of the MPRR to the frequency specified in the FCC site license No end user operated controls exist on the MPRR The FCC license may provide the user with protection and authorization to maintain the system should any other RFID product be used in the licensed area after the MPRR equipment is installed Users of the MPRR in the United States must obtain a license from the FCC In the United States the authorized modulated SeGo protocol operation frequency band for this product is 911 75 to 919 75 MHz and the authorized continuous wave AAR for matted operation frequency band is 902 25 to 903 75 MHz and 910 00 to 921 50 MHz The user is responsible for filing the FCC license according to FCC regulations but the TransCore dealer will provide assistance and support as necessary to complete these forms Forms are available online at the FCC internet site http wire less fcc gov uls For further information on obtaining the license contact TransCore Caution This equipment can be set to frequency ranges outside those authorized for use in the U S by the FCC Users in all countries should check with the appropriate local authorities for lic
18. ErrorRF2 Warning message that the RF module did If the reader indicates a single ErrorRF2 not return an INIT DONE signal event and recovers from the error no corrective action is required You may want to track this error message if it should occur again If the reader indicates repeated ErrorRF2 warning messages then return the reader to the factory ErrorRF3 Warning message of unexpected status If the reader indicates a single ErrorRF3 read including status byte from RF event and recovers from the error no module corrective action is required You may want to track this error message if it should occur again If the reader indicates repeated ErrorRF3 warning messages then return the reader to the factory Troubleshooting You can use the following table for troubleshooting Should problems continue con tact TransCore for return and replacement procedures If you contact Technical Sup port use the symptom number in Table 9 2 to reference the problem that you are having with the MPRR Table 9 2 Symptoms and Remedies Symptom Number Symptom Remedy 1 When performing a quick Check all your wiring connections and antenna connections test of the MPRR the buzz and ensure that your buzz box is functioning pox daas nol buzz The wires from the MPRR are grouped in pairs You could find more than one red wire more than one black wire and so on You must connect the correct red and wh
19. Testing the MPRR Using an Audible Circuit Tester on page 4 4 verify that the reader is capable of reading the tag in the read zone If it is the problem is probably in the communications between the MPRR and the host Pass a different reader compatible test tag in front of the MPRR antenna 4 When the MPRR reads the second tag successfully the terminal emulation application displays that tag s information in the main screen below the information for the first tag as shown in Figure 8 8 Ta SP II HyperTerminal iO x File Edi View Transfer Help Di 5 sole l Model EY Series Ver 1 XX SNOOO0000 Copyright 2008 TransCore AMTECH TEST333333333 AMTECH TESTSOOSOO Figure 8 8 Second Successful Tag Read If the read is unsuccessful perform the following actions Ensure the tag you are using is compatible with the MPRR 8 11 Multiprotocol Rail Reader System Guide e Using the audible circuit tester as described in Testing the MPRR Using an Audible Circuit Tester on page 4 4 verify that the reader is capable of reading the tag in the read zone If it is the problem is probably in the communications between the MPRR and the host device Configuring MPRR Parameters 8 12 Follow the procedures in this section to configure MPRR parameters using a PC lap top or terminal emulator The PC or laptop must be connected to and communicating with the MPRR and the terminal emulation applica
20. b Reading range depends on reader or external antenna configuration tag type tag read mode and operating environment Hardware Features Integrated system with RF module tag decoder power supply I O ports and connectors for external serial communications interface all housed in a single antennas package Case Anodized aluminum Power Requirements 16 to 20V AC 47 to 63 Hz Input Voltage or 16 to 28V DC Physical Attributes Size 13 x 5 x 2 49 in 33 x 7 62 x 6 32 cm Weight 5 1 lb 2 31 kg Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document B 3 Multiprotocol Rail Reader System Guide Environmental Parameters Operating Temperature 40 F to 158 F 40 C to 70 C Humidity 95 condensing The MPRR complies with vibration tolerance limits Vibration Tolerance Specified in AREMA C amp S Manual Part 11 5 1 Class Operation Shock The MPRR complies with shock tolerance limits Tolerance specified in AREMA C amp S Manual Part 11 5 1 Class C Options Communications Interface RS 232 58 7001 001 MPRR to TRU cable assembly 6 ft 1 8 m 58 7001 002 MPRR to TRU cable assembly 20 ft 6 1 m 58 7001 003 MPRR cable assembly 6 ft 1 8 m no TRU 58 7001 004 MPRR cable assembly 20 ft 6 1 m
21. 8151 Set check tag address to 1 on check tag pin 0 Done 8152 Set check tag address to 0 on check tag pin 1 Done 8153 Set check tag address to 1 on check tag pin 1 Done D 13 Multiprotocol Rail Reader System Guide D 14 Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 830 Disable automatic periodic RF Done status report 831 Enable automatic periodic RF Done status report 836 Disable MPRR mode Done 837 Enable MPRR mode Done 850 MUX RF port 0 Done 851 MUX between RF ports 0 and 1 Done 852 MUX between RF ports 0 1 and2 Done 853 MUX between RF ports 0 1 2 Done 891 MUX test mode RF port 1 only Done 892 MUX test mode RF port 2 only Done 893 MUX test mode RF port only Done Command Quick Reference Alphabetical Command List The following conventions are used in Table D 3 Items in bold italics identify factory default settings e Only the command related data portion of the reader message is shown Refer to Chapter 7 Commands for the complete syntax of commands and messages Table D 3 MPRR Commands Listed Alphabetically Command Name Code Reader Message All IDs transmit 40 Done Appended info status display 524 IDAP TO DO Xx TO time not appended T1 time appended DO date not appended D1 date appended aux info not appended X1 aux
22. Chapter 5 General Software Information This chapter provides software related information for the Multiprotocol Rail Reader MPRR System This chapter presents various software related topics arranged in alphabetical order by subject In addition to this chapter see Chapter 6 Communications Protocols and Chapter 7 Commands for more information Command Entry Conventions All MPRR commands are preceded by the start of message character The end of message sequence expected from the host is a carriage return CR The MPRR termi nates messages with a return and a line feed CR LF For example the command 01 Switch To Command Mode is typed as follows 01 lt ENTER gt where lt ENTER gt is the Enter or Return key Some command characters may be represented by the letter N This letter indicates you are to supply a value Maximum valid entries are the numbers O through 9 and the uppercase letters A through F These letters allow for as many as 16 available user responses and are based on the hexadecimal numbering system Commands have at least two characters following the character Table 5 1 shows the basic structure of a four character command Table 5 1 Four Character Command Structure 1005 Set Baud Rate To 9600 Baud All commands are preceded by the character 1 Indicates the command group This command is in Group 1 Communications Port Control 0 Ind
23. i 2 ft lis Figure 3 10 Optimal Tag Placement for Rail Cars Tank Car Mounting Guidelines Tank car mounting is essentially the same as that for rail cars except that the tag placement window area has been expanded 18 inches to the right of the center of the truck Tag Placement Window Location Horizontally the tag placement window extends from 18 inches to the right of the center line of the truck to two feet from the center line of the inside axle measured toward the center of the vehicle Vertically the tag placement window begins at two feet above the top of the rail and extends to a maximum of five feet above the top of the rail The tag should not cover car stenciling 3 11 Multiprotocol Rail Reader System Guide Figure 3 11 illustrates the tag placement window on the left rear portion end of the tank car The left boundary of the tag placement window is 2 feet from the centar line of the inside axle towards the center of the vohicle The right boundary of the tag placement window is 18 right from the centor line of the the top of the rail Figure 3 11 Tag Placement Window Location for Tank Cars B Left Side Tag Placement Optimal tag placement positions the tag on the center line of the truck on the body bolster Figure 3 12 Alternately the tag may be mounted so that the center of the tag falls anywhere within the tag placement window provided th
24. ting if it receives an XOFF character host software command 13H It does not resume transmitting until it receives an XON character host software command 11H If the reader is configured for hardware flow control RTS CTS request to send clear to send it stops transmission if it detects that the CTS line is no longer asserted It resumes transmission when this line is asserted again Note TransCore recommends that XON XOFF flow control be disabled while using the ECP 6170 Disable Echo Mode Command 6170 disables the reader s echo of received host commands If operating in basic protocol or data inquiry protocol the reader echoes by default As the reader receives a host command it echoes each character of the command Once the entire command has been received and processed the reader transmits its response If echo ing is disabled with command 6170 the reader does not echo the command but only transmits its response The reader never echoes while in ECP or download mode operation Reader response Done 6171 Enable Echo Mode Factory Default Command 6171 enables the reader to echo received host commands Command 6170 disables echo mode Reader response Done 63 Reset Reader Command 63 resets the power fail bit clears all buffers resets tag uniqueness turns off both output lines transmits the sign on message and returns to the data mode Note This command does not reset any other configuration param
25. 20 characters Hardware configuration string 696S S Done store S S ASCII string maximum length of 20 characters Hardware flow control enable 6142 Done Input inversion disable 6940 Done Input inversion enable 6941 Done Input status change display 560 SSTC Ex Mx EO status change reports disabled E1 status change reports enabled MO no reporting M1 report change on inputO M2 report change on input1 M3 report change on either input D 17 Multiprotocol Rail Reader System Guide D 18 Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message MPRR mode disable 836 Done MPRR mode enable 837 Done Multi tag sort disable 454 Done Multi tag sort enable 455 Done MUX RF port 0 850 Done MUX between RF ports 0 and 1 851 Done MUX between RF ports 0 1 and2 852 Done MUX between RF ports 0 1 2 and3 853 Done test mode port 1 only 891 Done MUX test mode RF port 2 only 892 Done MUX test mode RF port 3 only 893 Done Odd parity select 1022 Done Operating mode status display 570 ATA E D gt eGo lt l F D gt SeGo lt l F D gt IAG lt E D gt Sort lt E D gt ID 64 bits E Enabled F Full transaction eATA D Disabled Parity disable 1020 Done Power fail bit display 520 PWRB Px RO PO no power fail has occurred P1 power fail has occurred RO not applicable Power fa
26. Done Refer to Basic Protocol and ECP Format on page 6 5 for message format informa tion 692N Select RF Control Algorithm Command 6 92N selects the algorithm for turning off RF power when RF by input control is enabled using command 641 Select RF by Input Control The values for N specify the RF control algorithms as shown in Table 7 13 Note These commands only have an effect when the reader is not in MPRR mode Table 7 13 RF Control Algorithm Commands Command RF Power Off 6920 On timeout only 6921 Timeout or tag ID acquired 6922 Timeout or presence false factory default Command 6920 turns off RF power based on the timeout established by command 693N Select RF Timeout Period Command 6921 allows RF power to be turned off either after the timeout period or upon acquisition of a valid tag ID whichever occurs first Command 6922 turns off RF power either after the timeout period or upon the pres ence false condition whichever occurs first Reader response Done 693N Select RF Timeout Period Command 6 93N selects the RF timeout period used by command 692N Select RF Control Algorithm Values for N range from 0 through F 7 31 Multiprotocol Rail Reader System Guide 7 32 Command 693F disables the RF timeout The reader turns off the RF immediately following the acquisition of a valid tag whether or not it is unique Uppercase or lowercase characters are allowed for
27. ECP 12 7 sec 612FE timeout Flow control Software XON XOFF 6141 Echo mode Enabled 6171 RF by input control Enabled 641 ATA operating range distance Maximum 6431F RF attenuation Full power 64400 SeGo protocol operating range Maximum 6451F distance Presence without tag reports Disabled 6900 RF off control Timeout or no presence 6922 RF timeout Never true 693F Input inversion Disabled 6940 Serial number SSSSSS 695 Store hardware configuration Hardware configuration not 696 known Automatic periodic RF status Disabled 830 report Numerical Command List The following conventions are used in Table D 2 Items in bold italics identify factory default settings e Only the command related data portion of the reader message is shown Refer to Chapter 6 Communications Protocols for the complete syntax of com mands and messages D 4 Table D 2 MPRR Commands Listed Numerically Command Quick Reference Number Command Name Reader Message 00 Switch to data mode Done 01 Switch to command mode Done 1002 Set baud rate 1200 baud Done 1003 Set baud rate 2400 baud Done 1004 Set baud rate 4800 baud Done 1005 Set baud rate 9600 baud Done 1006 Set baud rate 19 2 K baud Done 1007 Set baud rate 38 4 K baud Done 1010 Use one stop bit Done 1011 Use two stop bits Done 1020 Disable parity Done 1021 Select even parity Done 10
28. RF status 7 18 RFO filter status 7 21 software version 7 15 display tag translation mode status 7 21 display time and date 7 9 download mode 7 5 dry contact closure 2 12 E echo mode 7 26 echo status 7 22 ECP reliability 6 13 timeout 6 11 See also error correcting protocol electrical requirements 2 10 current power cables enable ATA 7 15 automatic periodic RF status report 7 36 data inquiry protocol 7 25 eATA 7 15 echo mode 7 26 MPRR mode 7 36 MUX RF port 0 7 36 MUX RF ports 0 and 1 7 36 MUX RF ports 0 1 2 and 3 7 37 MUX RF ports 0 1 and 2 7 37 MUX test mode RF port 1 7 37 MUX test mode RF port 2 7 37 MUX test mode RF port 3 7 37 SeGo 7 15 SeGo protocol tag initialization during multi tag sort 7 14 tag translation mode 7 14 Multiprotocol Rail Reader 1 3 end of line delay 7 7 error correcting protocol 7 24 See also ECP error correcting protocol format reader transmissions 6 5 error correcting protocol timeout 7 25 error messages 9 3 error transaction 6 13 F failure conditions host addressed 6 13 reader addressed 6 12 failure conditions host addressed asynchronous message command message collision 6 13 illegal or wrong sequence number 6 13 incorrect CRC 6 13 receive timeout 6 13 transmission timeout 6 13 failure conditions reader addressed asynchronous message command message collision 6 13 illegal command 6 12 illegal sequence number 6 12 receive timeout 6 13 transmission timeout 6 12 wron
29. See communication port control commands Command Group 2 See real time clock commands Command Group 3 See append information commands Command Group 4 See ID filtering commands Command Group 5 See reader status commands Command Group 6 See reader control function commands Command Group 8 See auxiliary reader control commands command mode 7 4 7 7 host transmission formats 6 7 sample messages 6 9 switch to 6 7 Command quick reference alphabetical command list D 15 factory default settings D 3 numerical command list D 4 syntax D 3 command response conventions 5 4 commands list of 7 5 7 37 communication protocols 6 3 communications verifying 8 7 Communications interfaces C 3 communications port control commands 7 7 7 8 communications port parameters 7 16 communications protocol 8 17 status 7 17 communications protocols basic protocol 6 4 basic protocol command response 6 8 basic protocol reader transmission 6 5 ECP host response 6 5 error correcting protocol 6 4 error correcting protocol format 6 5 1 3 Multiprotocol Rail Reader System Guide communications requirements 2 10 communications cables Compatible tag information configurations E 3 data formats E 4 computer cables 2 13 configuring appended tag data 8 12 communications protocol 8 17 ID separation 8 12 parameters 8 12 8 18 port communication parameters 8 17 radio frequency 8 14 reports 8 13 reset reader 8 13 RF transmission 8 14 host c
30. and the external interface signal wiring Appendix D Command Quick Reference lists the MPRR factory default con figuration settings and provides host software commands in numerical and alpha betical order Appendix E Compatible Tag Information provides helpful information about tags that are compatible with the MPRR Index provides an alphabetical listing of guide topics Introduction Typographical Conventions The conventions listed in Table 1 1 are used in this manual Table 1 1 Typographical Conventions Convention Indication CAUTION Concerns about a procedure Code Code including keywords and variables within text and as separate paragraphs and user defined program elements within text appear in courier typeface Dialog Box Title Title of a dialog box as it appears on screen Menu Item Appears on a menu Capitalization follows the interface Note Auxiliary information that further clarifies the current discussion These important points require the user s attention The paragraph is in italics and the word Note is bold NUL Zero value ASCII character or a zero value byte NULL Zero value pointers Null terminated string refers to strings of printable ASCII characters with a zero value byte placed in memory directly after the last printable character of the string This procedure might cause harm to the equipment and or the user
31. no TRU Cable Accessory Kits A Class C transformer is available to allow 110V AC to 18V AC conversion Include the part number 76 1620 005 when ordering A Class C transformer part number 76 1620 008 to allow 220V AC to 18V AC conversion is available by special request Transformer B 4 Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document Wiring Information Appendix C Wiring Information This appendix contains a graphical representation showing the wiring connector pin outs as well as any wiring signal tables used to test and install the Multiprotocol Rail Reader MPRR for a non Train Recording Unit installation Communications Interfaces Table C 1 lists the interfaces available with the MPRR Table C 1 Communications Interfaces and Conductor Requirements Number of Interface Conductors RS 232 3 RS 232 with RTS and CTS hardware handshake signals 5 Figure C 1 shows the pin assignments for the RS 232 interface signal to the host and DB15 connector 8 TRANSMIT DATA 1 Fo 7 LOCK SIGNALGND 14 HO 6 6 24V RETURN CLEAR TO SEND 1 13 TO 5 24V RETURN REQUEST TO SEND 1 12 O SIGNALGND 11 O HO 6 3 24V DC LOCK RETURN 10 O ems RECEIVE DATA1 9 HO 850 1 SENSEO O HW 0415 Figure C 1 DB15 Connector Pin Assignments for Signal to Host Table C 2 lists the MPR
32. software flow control X2 hardware flow control SO som character is Multiprotocol Rail Reader System Guide D 8 Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 527 Display RF status RFST Cx Ox Tx Fxxx Rxx Gxx Axx 104 CO RF controlled by host C1 RF by presence sensor O0 RF off O1 RF on T1 uniqueness timeout of 2 min T2 uniqueness timeout of 15 Sec uniqueness timeout of 30 Sec Fxxx RF output frequency xxx 000 to 118 Rxx Tag decoder range distance for ATA tags 00 to 1F hexadecimal range value Gxx Tag decoder range distance for eGo Plus Tags 00 to 1F hexadecimal range value Axx RF power attenuation 00 max to OA min 10 dB less than max 104 fixed Note f you enter RF settings using command 642NN the display command for RF output frequency F is Fxx and indicates use of the backward compatible frequency entry method Command Quick Reference Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 529 Display presence input status PRST Px DO Ax Tx Ix PO disable presence w o tag reports P1 enable presence w o tag reports DO min presence true period of 0 ms AO RF off on timeout A1 RF off on timeout or tag A2 RF off on timeout or no presence TO RF timeout of 0 ms always expired T1 R
33. 3 Fire Off Check Tag Address 1 on Check Tag Pin 1 7 35 8142X Set Check Tag Character on Check Tag Pin 0 7 35 8143X Set Check Tag Character on Check Tag Pin 1 7 35 8150 Set Check Tag Address to 0 on Check Tag Pin 0 7 35 8151 Set Check Tag Address to 1 on Check Tag 0 7 35 8152 Set Check Tag Address to 0 on Check Tag Pin 1 7 35 8153 Set Check Tag Address to 1 on Check Tag Pin 1 7 35 830 Disable Automatic Periodic RF Status Report Factory Default 7 36 831 Enable Automatic Periodic RF Status 7 36 836 Disable MPRR 7 36 837 Enable MPRR MOS 7 36 850 MUX HF Port 0 Factory 7 36 851 MUX Between RF Ports 1 7 36 852 MUX Between HF Ports 0 1 2 7 37 853 MUX Between RF Ports 0 1 2 3 7 37 891 MUX Test Mode RF Port 1 7 37 892 MUX Test Mode RF Port 2 7 37 893 MUX Test Mode RF Port 7 37 Check Tag Operation 7 37 MUX Operational 7 38 MUX Te
34. 8007 for assistance Tag Message Buffer MPRRs maintain a tag buffer in battery backed RAM to save tag IDs acquired when data inquiry protocol is used This buffer holds up to 500 time stamped messages When the buffer fills subsequent tag IDs will be lost 6 Communications Protocols Chapter 6 Communications Protocols This chapter describes the communications protocols for the Multiprotocol Rail Reader MPRR Introduction The MPRR supports the following communications protocols e Basic Error correcting e Datainquiry The following protocol information provides reference information relevant to devel oping host software Communications are performed using the 7 bit ASCII code with optional parity thus providing easy setup testing and diagnostics with standard ASCII terminals and serial printers Each message is framed within the start of message som and end of message eom characters so that the host device can detect the beginning and end of each message This convention is most important under marginal communications conditions during which the host may receive extraneous noise induced characters between reader trans missions In such instances the host is capable of ignoring any messages that do not conform to the som eom frame sequence Both data mode and command mode require a two way message interchange when using error correcting protocol ECP This interchange is completed by the message recipient
35. 930 00 Reader response Done 65 Reset Power Fail Bit Command 65 resets the power fail bit to 0 The bit changes from 0 to 1 when power is restored to the reader Upon reader power up the host transmits either command 65 or 63 Reset Reader to properly initialize this bit The current state of the power fail bit may be displayed Refer to 520 Display Power Fail Bit on page 7 16 for more information Reader response Done 66F Load Default Operating Parameters Command 66F loads all the factory default operating parameters except RF operat ing frequency Refer to Table 8 1 MPRR Default Configuration Settings for a listing of the defaults Reader response Done All parameters loaded OK Error A parameter load failed 690N Select Presence Without Tag Report Option Command 690N enables or disables the presence without tag report option If the presence without tag reporting option is enabled using command 6901 input 7 30 Commands reports are transmitted when a tag presence is detected without the subsequent acqui sition of a valid tag The value for N specifies the reports as shown in Table 7 12 Note These commands only have an effect when the reader is not in MPRR mode Table 7 12 Presence Without Tag Report Commands Command Report Option 6900 Disable presence without tag reports factory default 6901 Enable presence without tag reports Reader response
36. Command 8111 turns on RF portl and sends the command on Ctag pin 0 to fire off Ctag address 1 Multiprotocol Rail Reader System Guide CAUTION 7 4 e Command 8112 turns on RF port2 and sends the command on Ctag pin 1 to fire off Ctag address 0 e Command 8113 turns on RF Port 3 and sends the command on Ctag pin 1 to fire off Ctag address 1 Command 8150 sets the check tag address to 0 on check tag pin 0 e Command 8151 sets the check tag address to 1 on check tag pin 0 Command 8152 sets the check tag address to O on check tag pin 1 e Command 8153 sets the check tag address to 1 on check tag pin 1 Note The MPRR transmits ID codes to the host device when the MPRR is in data mode Command Mode While the MPRR is in the command mode the host device sends commands to the MPRR that can be used to control the reader operation and configuration After the MPRR receives a command it transmits a command response message Typically the command message contains Error Done or data relating specifically to the com mand request These messages may be of variable length since some commands require information as part of the message for example 570 Display Operating Mode Status Communication can be lost if the host device attempts to send certain commands under marginal communication conditions For example if the host device transmits the command request to change the baud rate and the MPRR properly receives the req
37. Figure 3 3 Mounting Location Examples 3 6 Figure 3 4 Tag Placement Window for Locomotives Right Front llli 3 7 Figure 3 5 Right Front Placement of Tag on 1 3 8 Figure 3 6 Tag Placement Window Location for Locomotives Left Rear 3 8 Figure 3 7 Optimal Tag Placement for 1 3 9 Figure 3 8 Tag Placement Window Location for Rail Cars A Right Side 3 10 Figure 3 9 Tag Placement Window Location for Rail Cars B Left Side 3 10 Figure 3 10 Optimal Tag Placement for Rail Cars 3 11 Figure 3 11 Tag Placement Window Location for Tank Cars B Left Side 3 12 Figure 3 12 Optimal Tag Placement for Tank 3 12 Figure 4 1 Wiring for Audible Circuit Tester 4 5 Figure 4 2 Connect RF N type Load or Attenuator to Reader Cable 4 6 Figure 4 3 Short Load to Earth Ground 4 6 Figure 4 4 MPRR Showing Antenna 1 4 7 Figure 4 5 Location of MPRR Ground Stud
38. ID communication protocol output pulse and RF control 60NN Set Reader ID Number Command 60NN sets the reader ID that will be sent in the auxiliary data field com mand 311 Uppercase or lowercase characters are allowed for NN for example hex digits A though F or a through f where NN 00 to FF hex for 0 to 255 factory default 00 Reader response Done 610 Select Basic Communication Protocol Factory Default Command 610 enables the basic communications protocol Reader response Done 611 Select Error Correcting Protocol Command 611 enables the error correcting protocol Reader response Done CAUTION CAUTION Commands Caution Do not switch to ECP command 611 Select Error Correcting Protocol unless the host is prepared to acknowledge each reader transmission 612NN Select Error Correcting Protocol Timeout Command 612NN selects the timeout interval for ECP This timeout applies to the transmission of tag report and error messages and to the receipt of host commands The transmit timeout is initiated immediately after the end of message sequence CR LF is transmitted If the host does not acknowledge the message within the specified interval the reader times out and retransmits the message The receive timeout is initiated upon receipt of the start of message character If the end of message character CR is not received within the specified interval the reader discards the partially received
39. Multiprotocol Rail Reader lists the materials needed and provides procedures to install the MPRR Steps include e Pre installation testing e nstalling the MPRR in a railside hut or NEMA enclosure e Connecting power and communications e Connecting to TransCore s Train Recording Unit TRU e Marking the read zone Chapter 5 General Software Information and Chapter 6 Communications Protocols provide reference information on various software related topics and communications protocols Chapter 7 Commands discusses the host transmitted commands that are used to control MPRR configuration and operation Chapter 8 Configuring the Multiprotocol Rail Reader provides procedures for configuring and fine tuning the MPRR after installing it at the site e Marking the read zone Chapter 9 Troubleshooting and Maintenance answers the most commonly asked questions about installing and maintaining the MPRR Chapter 10 Interface to Train Recording Unit describes the interoperability between the MPRR and the TRU Chapter 11 Connecting AT5720 Check Tag to MPRR Assembly explains how to connect one or two check tags to the MPRR Appendix A Glossary contains frequently used terms Appendix B Technical Specifications provides the MPRR specifications Appendix C Wiring Information shows the wiring connections for the commu nications interfaces electrical cable connections
40. N for example hex digits A through F or a through f The commands and corresponding timeouts are shown in Table 7 14 Table 7 14 Timeout Period Values Command Timeout ms 6930 0 always expired 6931 4 6932 8 6933 12 6934 20 6935 24 6936 32 6937 48 6938 60 6939 92 693A 152 693B 300 693C 452 693D 600 693E 752 693F Infinite never expires factory default Reader response Done or Error The reader returns an Error message if a valid hexadecimal digit is not substituted for N in command 6931 Note This command only has an effect when the reader is not in MPRR mode 694N Select Input Inversion Option Command 4 694N enables or disables input inversion When inversion is enabled an open circuit input is interpreted as a closed circuit and a closed circuit input is inter preted as an open circuit This feature allows greater flexibility in the attachment of external equipment to the reader inputs For example some proximity sensors indicate Commands presence with an open circuit In this instance command 6941 can enable input inversion so that an open circuit input indicates a presence The values for N represent the two inversion options as shown in Table 7 15 Table 7 15 Input Inversion Options Command Option 6940 Disable input inversion factory default 6941 Enable input inversion Reader response Do
41. Switches MPRR to command mode 647 lt CR LF gt Sets operating frequency 836 lt CR LF gt Disables MPRR mode 850 Done lt CR LF gt Disables antenna multiplexing 644XX Done lt CR LF gt Set desired RF power 643XX Done lt CR LF gt Set desired ATA range control 645XX Done lt CR LF gt Set desired SeGo range control 6401 Done lt CR LF gt Turns on RF 00 lt CR gt Done lt CR LF gt Returns MPRR to data mode You can now connect the outer marks to draw the outer boundary of the read zone Figure 4 9 is a view of a sample read zone The outer X marks show the outside edges of the read zone 4 15 Multiprotocol Rail Reader System Guide 4 16 Main Track Adjacent Track d D Antenna 1 1 11 11 I i 50 0158 Figure 4 9 Sample Read Zone Marking Pattern 6 Place the MPRR in single antenna operation using the antenna of interest Standing at the edge of the rail sleepers closest to the antenna walk the metal backed test tag along the track to determine the farthest read point in both directions see item D in Figure 4 9 Record the distance 7 Ina multiple track installation walk the tag toward the adjacent track in a straight line from the antenna face see Figure 4 9 to determine whether the MPRR reads tags from the adjacent track Record that distance item Y If the MPRR reads tags on the adjacent track reduce the range co
42. Table 4 1 Required accessories are a power communications cable harness and a 110V AC to 18V AC wall transformer 12 to 18V AC step up transformer or a 16 to 28V DC power source You also require at least one MPRR compatible antenna and an antenna RF cable These may be ordered as accessories from TransCore or obtained from other sources 1 The MPRR is designed with RF cable connectors for use with N type RF cables Multiprotocol Rail Reader System Guide For MPRR installation with TransCore s Train Recording Unit TRU see Chapter 10 Interface to Train Recording Unit Installation Accessory Options Table 4 1 lists optional TransCore MPRR installation accessory items Table 4 1 Installation Accessories Part No Description 58 7001 001 MPRR to Train Recording Unit TRU 6 foot 1 8 m cable assembly 58 7001 002 MPRR to TRU 20 foot 6 1 m cable assembly 58 7001 003 MPRR 6 foot 1 8 m cable assembly no TRU 58 7001 004 MPRR 20 foot 6 1 m cable assembly no TRU 20 7001 001 MPRR check tag accessory kit Additional Materials Needed for Testing You need these additional materials to perform the pre tests on the MPRR e Test tags supplied by the TransCore dealer or distributor Note The test tag must be mounted flush against a metal backplane e Suitable 16 to 20V AC or 16 to 28V DC power wiring for the MPRR e Audible circuit tester and 9V DC battery for circuit tester power e Wi
43. Tag ID is shown Other sample message data could be as follows IOST O2 I0 D24 display I O status Error06 frequency not set crc CRC value for the message eom End of message character Host response 4 lt crc gt lt eom gt where Start of message character Multiprotocol Rail Reader System Guide 6 10 4 Message sequence number ACK acknowledgment character returned for a negative acknowledgment crc CRC value for the message eom End of message character Host Command Transmissions Basic protocol host transmission 647XXX lt eom gt Reader response Done lt eom gt or Error lt eom gt Error lt eom gt is returned if the host transmission is not a legal command with legal data ECP host transmission 17647XXX crc eom where Start of message character 7 Message sequence number 647XXX Select RF Operating Frequency command where 647XXX is the command and XXX is a hexadecimal value from 000 to 118 In this example XXX sets the RF frequency to 903 MHz crc CRC value for the message eom End of message character Done Command has been invoked by the MPRR Reader response 7Done lt crc gt lt eom gt or 7Error lt eom gt For some commands the MPRR responds with data that relates to the command such as TOF 0 to indicate the mode enabled for a 570 Display Operating Mode Status command 7Error lt eom gt will be returned if host transm
44. To set input status change reporting 1 Ensure that the host device is in command mode 2 Enter command 560 to display input status change report options and press ENTER e input status change reports disabled factory default e input status change reports enabled e reporting disabled factory default e changes on inputO reported e 2 on input reported e M3zczchanges on either input reported Reset Reader Command 63 Reset Reader resets uniqueness clears the power fail bit and trans mits the sign on message The reader returns to data mode following the completion of this command Note This command does not reset any of the configuration parameters See 63 Reset Reader on page 7 26 8 13 Multiprotocol Rail Reader System Guide 8 14 CAUTION CAUTION To reset the reader 1 Ensure that the host device is in command mode 2 Enter command 63 Press ENTER The terminal emulation screen displays the sign on message as shown in Figure 8 5 on page 8 8 Radio Frequency Caution The authorized continuous wave CW frequency band for the MPRR in the U S is 902 25 to 903 75 MHz and 910 00 to 921 50 MHz and the authorized modulated fre quency band for the MPRR in the U S is 911 75 to 919 75 MHz The RF for each MPRR at the site must be set according to the frequency specified in the FCC site license Only trained authorized installation and maintenance personnel a
45. algorithm by host software developers several examples of the calculation are provided in source code on the following pages The calculation may be performed with or without a lookup table depending on the trade off between code memory and processing overhead Example 1 presents an example of a function CALCCRC that calculates the CRC value through a call to a separate function UPDCRC unsigned short calccrc char message unsigned short 0 for message char 0 message crc updcrc message amp Oxff crc return crc Communications Protocols Example 2 shows an example of UPDCRC that does not require a lookup table define B ITS_PER_CHAR 8 unsigned short updcrc unsigned short ch unsigned short crc register short counter register short temp while counter gt 0 if temp amp 0x8000 temp lt lt 1 temp ch lt lt 1 amp temp 0x1021 else temp lt lt 1 temp ch lt lt 1 amp return temp BITS_PER_CHAR crc 0x0100 0 0x0100 0 Example 3 contains an example of UPDCRC that does require a lookup table define updcrc cp static unsigned short crctab 256 0x0000 0x1021 0x8108 0x9129 0x1231 0x0210 0x9339 0x8318 0x2462 0x3443 Oxa56a Oxb54b 0x3653 0x2672 Oxb75b 0xa77a 0x48c4 0x58e5 Oxc9cc Oxd9ed Ox5af5 Ox4ad4 Oxdbfd
46. become wet they increase reflection of RF signals The antenna mounting location aiming and range control adjustment and use of presence detectors can reduce interference from RF reflections When these actions cannot adequately control reflections other techniques such as shielding absorbing range sensitivity adjustment or barriers can also be used See Chapter 9 Trouble shooting and Maintenance for more information Existing Signal Interference at the Site Interference from and electrical sources can degrade system performance and also must also be considered in the site design Fluorescent lights neon signs nearby radio stations or power lines can interfere with the optimal operation of the system Interference may degrade both reader and tag performance Existing sources of inter ference at the site should be shielded removed or positioned farther from the antenna In some cases changing the operating frequency of the MPRR may provide a simple solution Readers in proximity should have at least a 2 MHz frequency separation See Other MPRRs and Antennas in the Area AAR formatted Tag Operation on page 2 8 Strong RF sources of any frequency in proximity to the tag can preclude the tag receiving the reader interrogation See Chapter 9 9 Troubleshooting and Mainte nance Electrical and Communications Requirements 2 10 All construction work at the site must be completed before installing the MPR
47. equals GSE filter data The response data is formatted similar to the data in the config uration command 552 Request sensor status change Reader response MUX x lt 0 to 3 gt lt MPRR gt where x 0 antenna multiplexing dis abled RF on port 0 only 1 antenna multiplexing be tween RF ports 0 and 1 when sense0 active x 2 antenna multiplexing be tween RF ports 0 and 1 when sense0 active and RF port 2 when sense1 active x 3 antenna multiplexing be tween RF ports 0 and 1 when sense0 active and RF ports 2 and 3 when sense1 active MPRR MPRR mode selected 560 Display input status change SSTC Ex Mx E0 status change reports disabled E1 status change reports enabled MO no reporting M1 report change on inputO 2 report change on input1 M3 report change on either input 570 Display operating mode status ATA lt E D gt eGo l F D gt SeGo l F D gt IAG E D gt Sort lt E D gt ID 64 bits E Enabled F Full transaction eATA D Disabled Command Quick Reference Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 577 Report buffered handshakes XX number of handshakes 60NN Set reader ID number Done NN 00 FF 00 factory default 610 Select basic protocol Done 611 Select ECP protocol Done 612NN Set ECP timeout Do
48. external antenna in a different direction to see if interference comes from only one direction You may require a different MPRR that uses another frequency Verify that the RF power is set to an appropriate value Verify that the range adjustment is set to the maximum Verify that the reader is getting at least 16V Multiprotocol Rail Reader System Guide Table 9 2 Symptoms and Remedies continued Symptom Number Symptom Remedy 9 The perimeter of the read The angle of the external antenna may need adjustment zone has been defined but Slightly tilt the external antenna to a different angle to change there is a hollow spotinthe either the length or width of the read zone Center Qi In zong that does Check the range control adjustment See Radio Frequency not read tags on page 8 14 10 The MPRR is reading tags Some interference from other RF or electrical sources may be out of the desired read zone occurring See Reflection Refraction and Diffraction of RF Signals on page 2 10 Verify that the read zone has been properly set up See Fine Tuning and Verifying the Read Zone on page 8 18 aUse this number to reference the problem you are having with the MPRR if you contact Transcore for Tech nical Support MPRR Repair The MPRR is designed for whole unit replacement and is manufactured with surface mounted components It requires sophisticated testing and repair equi
49. info appended ATA disable 480 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported ATA enable 481 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported ATA operating range set 643NN Done NN 00 shortest to 1F longest 1F default Automatic periodic RF status 830 Done report disable Automatic periodic RF status 831 Done report enable Aux info append disable 310 Done Aux info append enable 311 Done Basic protocol select 610 Done Baud rate 1200 baud set 1002 Done Baud rate 19 2 K baud set 1006 Done Baud rate 2400 baud set 1003 Done Baud rate 38 4 K baud set 1007 Done Baud rate 4800 baud set 1004 Done D 15 Multiprotocol Rail Reader System Guide D 16 Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message Baud rate 9600 baud set 1005 Done Boot checksum display 543 BCKS xxxx Xxxx 4 byte ASCII checksum Buffered handshake report 577 XX number of handshakes Comm port parameters display 522 MAIN Bx Sx Px DO 110 1 300 2 1200 2400 4 4800 5 9600 B6 19 2 7 38 4 SO one stop bit S1 two stop bits PO no parity P1 even P2 odd DO EOL delay of 0 ms Comm protocol display 525 ECPS Px Txx Xx SO PO basic P1 ECP P2 data inquiry
50. is vari able The letter S indicates the requirement for an alphanumeric data string that is to be included immediately following the command number Hex digits 0 9 A F in either uppercase or lowercase characters may be used in data strings and for hex digits AF For more information see Chapter 5 General Software Information Table D 1 Table D 1lists factory default settings Table D 2 on page D 5 lists in numerical order all of the commands available to users Table D 3 on page D 15 lists the same commands by command name Factory Default Settings Note Table D 1 lists the factory default settings for the MPRR Table D 1 MPRR Default Configuration Settings Parameter Setting Command Operating mode Data 00 Baud rate 9600 1005 Stop bits 1 1010 Parity None 1020 Time and data appended Enabled 302 Auxiliary information appended Disabled 310 Unique ID code criteria Separation of 1 ID 4100 Valid ID code criteria Acquisition of 1 ID 4200 Uniqueness time out 2 minutes 441 Tag translation mode Disabled 452 D 3 Multiprotocol Rail Reader System Guide Table D 1 MPRR Default Configuration Settings continued Parameter Setting Command Multi tag sort Disabled 454 SeGo protocol tag initialization Enabled 456 during multi tag sort Reader ID number 00 6000 Communications protocol Basic 610 Error correcting protocol
51. message and resets its receiver Uppercase or lowercase characters are allowed for NN for example hex digits A through F or a through f The value for NN specifies the timeout interval as follows ms 50 NN for NN 01 to FE 1 254 FE Factory default 12 700 ms or 12 7 seconds FF Disables the ECP timeout Reader response Done Caution Ensure that the ECP timeout is sufficient for a given baud rate See Timing and Synchronization on page 6 11 613 Enable Data Inquiry Protocol Command 613 enable the data inquiry protocol Refer to Data Inquiry Protocol on page 6 5 for more information Reader response Done 614N Select Flow Control Option Command 61 4N selects the flow control option for reader to host communications The factory default setting is software flow control XON XOFF enabled In down load mode flow control is not host selectable it is fixed at the default setting How ever during data mode and command mode operation the following flow control options are available The N variable specifies flow control as shown in Table 7 8 7 25 Multiprotocol Rail Reader System Guide 7 26 Table 7 8 Flow Control Commands Command Flow Control Option 6140 Disable flow control 6141 Enable software flow control factory default 6142 Enable hardware flow control Reader response Done If the reader is configured for software flow control XON XOFF it stops transmit
52. name for ANSI NCITS 256 2001 and ISO 18000 6B compliant TransCore products A registered trademark of TC License Ltd end of line end of message erasable programmable read only memory physical area space in which a tag can be read by the reader also an element of a data record frame For example division within a tag s data frame Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document frames frequency bands H hex hexadecimal host 1 O or IO circuits ID NCITS interface IOST ISO LF MHz mode MPRR ms Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document Glossary consecutive bits of data in memory that are read and written as a group a range of RF frequencies assigned for transmission by an RF device hexadecimal base 16 numbering system that uses the characters O though 9 and A through F to resent the digits O through 16 device generally a computer that is connected to the Multiprotocol Rail Reader through the communications port input output circuits identification encoded information unique to a particular tag American National Standards Institute International Committee for Information Technology standards connection point for communication with another device I O status International Standardization Organizati
53. other Low antenna profile Horizontal polarization AA3140 PCB Log Periodic Appropriate for installations with the following requirements and conditions 845 to 950 MHz operation Exposure to harsh environments Maximum coverage at close range lt 20 ft 6 1 m Vertical or horizontal polarization 2 7 Multiprotocol Rail Reader System Guide Site Layout and Traffic Flow 2 8 The following site layout and traffic flow considerations are critical when determining MPRR installation locations e The MPRR read zone e Other MPRRs and antennas in the area M Reflection refraction and diffraction of RF signals Existing signal interference at the site The MPRR Read Zone The MPRR must be able to read the tag data properly within a specified area called the read zone without reading other nearby tags or interfering with other MPRRs at the site The following are some of the factors that affect the size and shape of the read zone e Mounting method used for the antenna e Mounting location of the antenna e Height from the ground and mounting angle of the antenna e RF output attenuation Range discrimination setting e Other sources of interference and reflection The railside antenna must be positioned so that the RF signal travels to and return from the tags within the designated range and must be placed in an area where it is not likely to be bumped out of alignment If the antenna becomes misaligned or some nearby s
54. regulatory agency approval from the country where the equipment is to be used and ordering and installing MPRR s and tags Also consider the following factors when developing a site plan e of tags used Antenna and tag alignment e Site layout and rail traffic flow e MPRR and or antenna mounting requirements e MPRR electrical requirements e MPRR communications requirements These factors provide relevant information regarding each site s physical and electro magnetic environment and the conditions under which the system must perform Reading of Mixed Population Tags The MPRR reads AAR formatted tags and TransCore s SeGo protocol tags The fac tors that influence the readability include but are not limited to physical orientation 2 4 Developing the Site Plan and configuration type of read only tag ratio of backscatter cross section of the tags and whether the tag is battery powered or beam powered Antenna and Tag Alignment CAUTION The position of the antenna and placement of the tag on the vehicle must be compati ble Two primary criteria must be satisfied to achieve the highest read reliability e Tag and the antenna polarization they must be aligned in the same direction both horizontal The installed tag must be in a direct unobstructed line of sight to the antenna Caution A tag may not be reliably read unless the preceding criteria are met Polarization The polarization of the
55. sensor on inputO RF signal off unique ness timeout of two minutes RF output frequency has not been set maximum RF out put range for ATA tags maximum RF output range for eGo and eGo Plus tags full RF power and IAG power set at 4 dB attenuation 529 Display Presence Input Status Command 529 displays the parameters associated with presence detection and RF control The reader s message indicates if presence without tag reports are enabled disabled 690N Select Presence without Tag Report Option if input inversion is enabled disabled 6 94N Select Input Inversion Option and the minimum presence true period always true The reader s message also reports the selected RF timeout 693N Select RF Timeout Period and the selected means of RF off control 692N Select RF Control Algorithm If presence without tag reports is enabled 6901 Enable Presence without Tag Report Option the reader transmits a report if a pres ence is detected without the subsequent acquisition of a valid tag Note RF timeout values vary depending on the operative tag read mode and the type of tag in the read field All times are approximate Reader response PRST lt 0 to 1 gt DO lt 0 to 2 lt 0 to F gt 1 lt 0 to 1 gt where PO Presence without tag reports disabled factory default Pl Presence without tag reports enabled 7 19 Multiprotocol Rail Reader System Guide 7 20 DO Minimum presence true period of 0 ms fixe
56. tag must be aligned in the same direction as the antenna Fig ure 2 2 shows horizontally polarized antenna and tag Note Matching the tag and antenna polarization is critical to obtain optimal system performance TA 0016 Figure 2 2 Tag and Antenna Orientation horizontal polarization 2 5 Multiprotocol Rail Reader System Guide Figure 2 3 shows a tag in correct polarization for the antenna Figure 2 3 Horizontally Polarized Tag Unobstructed Line of Sight For optimum readability install the MPRR and antenna s and the railcar s tag so that when the railcar approaches the antenna s the tag is directly facing the antenna and the line of sight is clear between the antenna and the tag If there is a physical obstruc tion between the tag and the antenna s the MPRR cannot reliably read the tags Fig ure 2 4 illustrates possible installation locations of an antenna in relation to a tag s mounting location on a railcar 2 6 Developing the Site Plan Antennas SD 0159 Figure 2 4 Antenna Location Relative to Tag Position Antenna Selection This section contains guidelines that assist in antenna selection for an MPRR installa tion The following antennas are compatible with the MPRR installation AA3110 Parapanel Appropriate for installations with the following requirements and conditions 902 to 928 MHz operation Exposure to harsh environments Broad radiation pattern in one dimension narrow in the
57. tag translation volts version software process of recording data for example writing to computer memory or to a tag s memory Writing writes over erases previous data stored at the specified memory locations protocol for controlling the flow of data between computers and other devices on an asynchronous serial connection X ON and X OFF are signals to turn a transmitter on or off The actual signal for X ON is the same bit configuration as the ASCII Ctrl Q keyboard combination 11 hexadecimal The X OFF signal is the Ctrl S character 13 hexadecimal Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document A 7 Multiprotocol Rail Reader System Guide A 8 Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document B Technical Specifications Reader Specifications Communications Appendix B Technical Specifications Frequency Selection 860 to 930 MHz capable Reading Range Read performance varies depending on tag reader and external antenna configuration and environment Typical read range should be 12 to 17 ft 3 7 to 5 2 m P a In the U S the authorized continuous wave frequency band is 902 25 to 903 75 MHz and 910 00 to 921 50 MHz and the authorized modulated fre quency band for this product is 911 75 to 919 75 MHz
58. the becomes corrupted the correct operating frequency cannot be guaran teed In this circumstance the RF section shuts down and the reader sends an Error06 message to the host Until the frequency is reset using command 64 7XXX the unit displays the same error message each time it is powered up or if an attempt is made to enable the RF by host or by external sensor Note The authorized continuous wave CW frequency band for the MPRR in the U S is 902 25 to 903 75 MHz and 910 00 to 921 50 MHz and the authorized modu lated frequency band for the MPRR in the U S is 911 75 to 919 75 MHz The RF for each MPRR at the site must be set according to the frequency specified in the FCC site license Only trained authorized installation and maintenance personnel are permit ted by FCC to set the RE The commands to set the RF frequency are presented in Table 7 11 Table 7 11 Select RF Frequency Commands Command RF Frequency MHz 647000 860 00 6470CF 911 75 6470D0 912 00 6470D1 912 25 6470D2 912 50 6470D3 912 75 6470D4 913 00 6470EA 918 50 6470EB 918 75 6470EC 919 00 6470ED 919 25 7 29 Multiprotocol Rail Reader System Guide Table 7 11 Select RF Frequency Commands continued Command RF Frequency MHz 6470EE 919 50 6470EF 919 75 657113 928 75 647114 929 00 647115 929 25 647116 929 50 647117 929 75 647118
59. to 2 441 Done minutes Uniqueness time out set to 15 442 Done seconds Uniqueness time out set to 30 443 Done seconds Valid ID code select four 4203 Done Valid ID code select one 4200 Done Valid ID code select three 4202 Done Valid ID code select two 4201 Done Version display 505 Model model Ver ver no SN serial no D 23 Multiprotocol Rail Reader System Guide D 24 E Compatible Tag Information Appendix E Compatible Tag Information This appendix gives helpful information about the tags that are compatible with the Multiprotocol Rail Reader MPRR Tag Configurations Table E 4 lists the TransCore Super eGo SeGo protocol tags that are compatible with the MPRR Table E 4 SeGo Protocol Tags Tag Model Number ag BLE Tag Type ower of 6 bit of 128 Bit Special Features Number Source cn Lee Frames 860 to 880 MHz frequency AT5120 Rail Beam 20 1 chemical resistant case metal external install 915 MHz frequency high AT5118 Rail Beam 20 1 temperature chemical resistant case metal external install 915 MHz frequency high AT5133 Transportation Beam 20 1 temperature chemical resistant case metal external install 915 MHz frequency high AT5412 Transportation Beam 10 1 2 temperature chemical resistant case metal external install 915 MHz frequency high AT5413 Rail Beam 20 1 temperature chemical resistant case metal external install ee M
60. to the following format 697 MM AA DDDDDDDDDDDDDDDD where MM The tag uses this mask to determine which of the eight Comparison Data bytes are to be compared for the Group Select filter AA This field is used by the tag to determine the start address in the tag memory for the comparison data DD DD Comparison Data an 8 byte field 16 characters used by the tag as the comparison data for the Group Select filter The tag compares the data in this field to data in tag memory beginning at the Start Address to determine if the tag will respond to a reader Group Select request Only the bytes having the corresponding bit set in the GSE Mask is used for this comparison As an example to configure a reader to have only tags with data in byte locations 10 12 and 15 decimal with hexadecimal values 00 01 and 02 the following command is used 697 A4 OA 0005014202024133 To understand how the data is interpreted it is necessary to break down the GSE Mask field A4 into binary A4 1010 0100 This mask equates to the tag comparing the first third and sixth bytes of the Compar ison Data to data in the tag beginning at address location 10 decimal The Comparison Data field is broken down in bytes with the bytes corresponding to the mask underlined in bold for clarification Address OA OB OC OD OF 10 11 Data 00 05 01 42 02 02 41 33 where 0A 10 decimal must be equal to 00 h
61. 0 00 NPD AJ WI N e Table 2 2 shows examples of staggered reader frequencies in a site outside the U S with up to four readers Table 2 2 Examples of Staggered Reader Frequencies for Tag Operation Outside the U S Rail Number Reader Frequency 865 25 866 25 865 50 866 50 865 75 866 75 866 00 oO AJ m 2 9 Multiprotocol Rail Reader System Guide Reflection Refraction and Diffraction of RF Signals RF signals can be reflected refracted or diffracted by metal objects walls and even wet pavement or ice Any of these factors can alter or degrade system performance When designing your site plan you must consider permanent structures and transient factors in the vicinity that may affect RF signals being generated by the MPRR Per manent structures include buildings chain link fences guard shacks and gates Tran sient factors include passing traffic and local weather conditions such as rain or snow Symptoms of reflection refraction and diffraction include reading tags that are out of the desired read zone or tags being read from another track The most common RF reflectors are metallic surfaces RF signals may also be par tially reflected by nonconducting materials such as dirt containing high concentrations of metallic rail dust wood ice asphalt and concrete When nonconducting materials in the system environment
62. 000000000000000000000000000 60000600600 AA A RIGHE oo ot e E pro iodo edd b006000660000060600060060D0000 0000060000060 06000D0606000D00D06D0D00 cc 00060000060000000000 00000000000000000000000000
63. 1 a Suffixes 50 50 and 50B indicate 50 ohm cables available from the Andrew Corporation b These cable lengths ensure optimal system performance 1 dB loss These cable lengths ensure adequate but not optimal system performance 3 dB loss 2 13 Multiprotocol Rail Reader System Guide 2 14 3 Choosing Installing and Removing Tags Chapter 3 Choosing Installing and Removing Tags This chapter describes the various tag types compatible with the Multiprotocol Rail Reader MPRR and the procedures for installing and removing compatible external tags Compatible Tag Types The MPRR provides the capability to read Association of American Railroads AAR formatted tags and TransCore Super eGo SeGo protocol tags See Appendix E for information about the numerous tag models Reader and Tag Model Interoperability Table 3 1 lists the tags that are read by the MPRR See www transcore com pdf Tag Reader Matrix pdf for most current information concerning readers and supported tag protocols Table 3 1 Tags Read by the MPRR Beam Tags Battery Tags External Power Tags AT5110 AT5112 AT5118 AT5120 AT5114 AT5510 AT5414 AT5117 AT5119 AT5704 AT5125 AT5133 AT5412 AT5413 AT5549 AT5707 AT5910 AT5415 The AT5120 Transportation Tag is used for applications in the 860 to 880 MHz fre quency range Recommended Mounting Locations Each piece of rail equipment h
64. 1 traffic flow 2 8 Train recording unit interface 10 3 system overview 10 3 transmission formats 7 10 transmission timeout 6 13 transmit all ID codes 7 11 troubleshooting 9 3 9 3 9 6 remedies 9 4 symptoms 9 4 typographical conventions 1 5 V verify communications 8 7 tag read capability 8 9 Ww Warning minimum safe distance for maintenance personnel iv wrong sequence number 6 12 6 13 1 7 Multiprotocol Rail Reader System Guide 1 8
65. 13 Red White CLEAR TO SEND 1 14 Green White SIGNAL GROUND 15 Blue White SIGNAL GROUND If the MPRR is connected directly to a TRU all power supply connections are made through the MPRR to TRU cable assembly Refer to Chapter 10 Interface to Train Recording Unit for wiring assignments Mounting the MPRR 4 10 This section lists procedures and materials required for mounting the MPRR on a wall or other flat surface based on the site s requirements In permanent installations the MPRR should be positioned as close as possible to the antenna Long cable runs increase system sensitivity to noise See Table 2 5 on page 2 13 for maximum RF cable lengths TransCore advises that for optimum heat dissipation you mount the MPRR vertically with the RF antenna ports at the bottom refer to Figure 4 5 Figure 4 8 shows the outer dimensions and mounting hole locations for preparing to install the MPRR Installing the Multiprotocol Rail Reader 002 694 00 Seeeeoeeeeeoeeeoeoeeeeeeeeeeoeeee ese ee eee ee eee ee eee OL DO 0 5 00000060
66. 15 connector at the MPRR and the other end into the customer supplied host device con nector Refer to Figure 4 7 and Table 4 2 for the pin assignments and numbers and the wire colors Connecting Sense Input and Sense Output Circuits The MPRR has two sense input circuits and a tag lock output circuit available SENSEO is used to enable RF on antenna ports O and 1 if enabled and SENSEI is used to enable RF on antenna ports 2 and 3 The sense input circuits are used to notify the MPRR of train presence and are designed to be connected to a free of voltage dry contact The tag lock output circuit is a single pole double throw relay that provides a normally closed and normally open dry contact The relay contact is rated at 42 2V AC peak 30 Vrms or 60V DC at 1 A maximum If controlling an external gate or device requiring high current an isolation transformer is required Sense Input Circuits The MPRR supports two sense inputs SENSEO and SENSEI which require two sense input lines SENSEx and GND for each loop sense or a total of four sense input connections SENSEO is used to control RF power for the track that has antennas con nected to RF Ports 0 and 1 As shown in Figure 4 7 the sense inputs are wired through the reader DB15 connector The MPRR expects the SENSEO circuit to close when a railcar is present on the track with antennas connected to MPRR ports 0 and 1 SENSE must be closed when a railcar is present on the track connect
67. 2 W conducted into the antenna and a distance of 31 inches 78 cm from the antenna the maximum power density calculated was less than 0 60 mW cm Install the antenna at least 31 inches 78 cm from the general public Maintenance per sonnel must remain at least 14 inches 35 cm from antenna when system is operat ing The data confirms that the TransCore MPRR effectively meets OSHA requirements and thus does not represent an operating hazard to either the general public or mainte nance personnel Multiprotocol Rail Reader System Guide Health Limits for Multiprotocol Rail Reader MPRR Using External Antenna 860 MHz vi Within the United States environmental guidelines regulating safe exposure levels are issued by the Occupational Safety and Health Administration OSHA Section 1910 97 of OSHA Safety and Health Standards 2206 legislates a maximum safe exposure limit of 10 milliwatts per square centimeter mW cm averaged over 6 minutes at 860 MHz Although not binding other organizations such as the American National Standards Institute ANSI have issued similar guidelines that are more restrictive than the OSHA limits ANSI C95 1 ANSI guidelines recommend a maximum safe power density in mW cm of Frequency in MHz 1500 Thus the maximum permissible exposure for general population uncontrolled expo sure at 860 MHz is 0 58 mW cm The power limit is a six minute average The power density generated by the MPRR wa
68. 22 Select odd parity Done 20 Set time Done 21 Set date Done 22 Display time and date Time and date 300 No time and date appended Done 302 Time and date appended Done 310 Disable aux info append Done 311 Enable aux info append Done 40 Transmit all IDs Done 4100 Select one ID separation Done 4101 Select two ID separation Done 4102 Select three ID separation Done 4103 Select four ID separation Done 4200 Select 1 valid ID code Done 4201 Select 2 valid ID codes Done D 5 Multiprotocol Rail Reader System Guide Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 4202 Select 3 valid ID codes Done 4203 Select 4 valid ID codes Done 440 Reset uniqueness Done 441 Set uniqueness time out to 2 Done minutes 442 Set uniqueness time out to 15 Done seconds 443 Set uniqueness time out to 30 Done seconds 452 Disable tag translation mode Done 453 Enable tag translation mode Done 454 Disable multi tag sort Done 455 Enable multi tag sort Done 456 Enable SeGo protocol tag Done initialization during multi tag sort 457 Disable SeGo protocol tag Done initialization during multi tag sort 480 Disable ATA Done if MPRR model supports this tag protocol Error if tag protocol is unsupported 481 Enable ATA Done if MPRR model supports this tag protocol Error if tag protocol is unsupported 484 Disable SeGo Done if MPRR model supports this tag protoco
69. 48 60 92 152 300 452 600 752 infinite 693F Set RF timeout z infinite Done 6940 Disable input inversion Done 6941 Enable input inversion Done 695S S Set serial number Done S S ASCII string maximum length of 6 characters 6965 5 Store hardware Done configuration string S S ASCII string maximum length of 20 characters D 12 Command Quick Reference Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 697 Set user programmable group select equals GSE filter 697 MM AA DDDDDDDDDDDDDDDD where MM determines which of the eight comparison data bytes are to be compared for the Group Se lect filter AA determines the start ad dress in the tag memory for the comparison data D D 8 byte field 16 charac ters used by the tag as the com parison data for the group select filter Done 8110 Switch on RF port O fire off checktag address 0 on check tag pin 0 Done 8111 Switch on RF port 1 fire off checktag address 1 on check tag pin 0 Done 8112 Switch on RF port 2 fire off check tag address 0 on check tag pin 1 Done 8113 Switch on RF port 3 fire off check tag address 1 on check tag pin 1 Done 8142X Set check tag character on check tag pin 0 Done 8143X Set check tag character on check tag pin 1 Done 8150 Set check tag address to 0 on check tag pin 0 Done
70. 6 phone number dialog box 8 5 pin assignments signal to host 4 8 pin assignments signal to TRU 4 8 polarization 2 5 See also alignment port configuration parameters 8 17 power cables 2 10 power fail bit 7 16 7 30 power failure flag 5 5 power supply 2 3 presence input status 7 19 presence without tag report option 7 30 Procomm Plus 4 13 program download 5 5 considerations 5 5 procedures 5 5 purpose system guide 1 3 1 5 Multiprotocol Rail Reader System Guide R radio frequency 8 14 See also Rail car mounting guidelines tag placement 3 10 tag placement window location 3 9 read zone 2 8 4 14 fine tuning 8 18 adjusting sensitivity range 8 19 lowering output power 8 18 orienting antenna s 8 18 marking 4 14 sample 4 15 reader configuring 8 3 description 2 3 how it works 2 4 installing on wall or flat surface required materials 4 12 operating modes 7 3 specifications B 3 communications B 3 hardware B 3 physical B 3 power requirements B 3 reader control function commands 7 24 7 34 reader ID number 7 16 7 24 reader logic board 2 3 reader mode control commands 7 5 7 7 reader status commands 7 15 7 24 real time clock commands 7 8 7 9 receive timeout 6 13 recommended mounting locations 3 3 report buffered handshakes 7 24 reports 8 13 reset power fail bit 7 30 reader 7 26 uniqueness 7 13 reset reader 8 13 RF attenuation 7 28 control 7 27 control algorithm 7 31 operating frequency 7 29 signals exis
71. CR LF gt Returns MPRR to data mode In command discussions MPRR response characters may be shown in brackets lt gt The use of brackets indicates that the response is a value in the range of characters The brackets are not part of the response For example the response to command 520 Display Power Fail Bit is either a O or a 1 In the command discussion the response is shown as PWRB lt 0 1 gt with actual MPRR response being one of the following PWRB 0 PWRB 1 In this example PWRB is the four character identifier for power fail bit and the 0 or 1 is the value All spaces shown in the response are actual spaces sent from the MPRR In this example one space is between the letter B and the number Operating Parameters The MPRRs maintain their operating parameters in nonvolatile memory NVRAM so that the parameters are preserved after a power down sequence 5 4 Power Fail General Software Information The system maintains a power fail flag The host transmits command 520 Display Power Fail Bit to determine if a power down has occurred This flag is cleared by both command 63 Reset Reader and command 65 Reset Power Fail Bit Program Download Startup Program download stores the MPRR application software into the reader s flash mem ory Program download is used to install program upgrades add features and to recover from corrupted program data Note Program download is a custom TransCor
72. Communication Protocol Factory Default through 612NN Select Error Correcting Protocol Timeout on page 7 25 for more information Caution Do not switch to ECP command 611 unless the host is prepared to acknowledge each reader transmission To select a communications protocol 1 Ensure that the host device is in command mode 2 Enter command 610 to select basic protocol factory default or command 611 to select ECP and press ENTER Software Flow Control Two modes of flow control are supported software XON XOFF and hardware CTS clear to send The host can enable or disable flow control with command 614N Select Flow Control Option The host can use software control characters XON XOFF or the hardware CTS handshake line to interrupt reader transmissions When the reader is configured for software flow control it stops transmitting if it receives the XOFF character from the host host software command 13H It resumes transmitting only when it receives the XON character host software command 11H from the host Likewise when the reader is configured for hardware flow control it stops transmitting if it detects that the CTS line is no longer asserted It resumes transmitting when this line is asserted If flow control is not needed the reader should be configured for no flow control 6140 Disable Flow Control 8 17 Multiprotocol Rail Reader System Guide 8 18 CAUTION Note TransCore recommends that
73. F timeout of 4 ms T2 RF timeout of 8 ms T3 RF timeout of 12 ms T4 RF timeout of 20 ms T5 RF timeout of 24 ms T6 RF timeout of 32 ms T7 RF timeout of 48 ms T8 RF timeout of 60 ms T9 RF timeout of 92 ms TA RF timeout of 152 ms TB RF timeout of 300 ms TC RF timeout of 452 ms TD RF timeout of 600 ms TE RF timeout of 752 ms TF RF timeout infinite never expires factory default 10 Input inversion disabled factory default 11 Input inversion enabled 530 Display RFO filter status RFOS Ux VO UO one ID separation factory default U1 two ID separation U2 transmit all IDs U3 buffer all IDs VO valid ID code criteria of one acquisition factory default V1 valid ID code criteria of two acquisitions V2 valid ID code criteria of three acquisitions V3 valid ID code criteria of four acquisitions 534 Display tag translation mode status TT 0 to 1 0 tag translation mode disabled tag translation mode enabled D 9 Multiprotocol Rail Reader System Guide D 10 Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 537 Display echo status ECHO x 0 disabled factory default 1 enabled 540 Display flash checksum PCKS 10000 Exxxx xxxx 4 byte ASCII checksum 543 Display boot checksum BCKS xxxx xxxx 4 byte ASCII checksum 549 Get user programmable group select
74. Item 1 Most recently acquired ID Item 2 Second most recently acquired ID Item 3 Third most recently acquired ID Item 4 Fourth most recently acquired ID When the uniqueness filter is set to separation of one ID the newly acquired ID is transmitted only if it is different from the first item Separation of two IDs allows transmission if the new ID is different from Items 1 and 2 in the comparison register Separation of three and four IDs transmit the new ID only if it is different from the first three and the first four items respectively Note A new ID can fail the filter test and not be transmitted however it remains stored in the comparison register The uniqueness test has a time limit as set by command 44N If an ID is buffered it will not be accepted again unless it arrives at the reader more than the timeout value from the previous arrival or until the receipt of one or more other IDs reset the unique ness Reader response Done Commands 420N Select Valid ID Code Criteria Command 420N directs the reader to validate an ID received only after it has been obtained a specified number of times in sequence Values for N are 1 through 4 Table 7 7 The factory setting is one acquisition N 0 Table 7 7 Select Valid Code Commands and Frames Command Valid Code Frames 4200 1 factory default 4201 2 4202 3 4203 4 The validation procedure is executed before the unique ID test Select Uniq
75. Multiprotocol Rail Reader System Guide 7 28 644NN Set RF Attenuation Command 64 4NN sets the attenuation control for the output RF power where NN is a hexidecimal value from 00 to OA Settings for attenuation are 1 0 dB increments over a range of 10 dB of attenuation from the maximum power setting of 2 watts at 0 dB attenuation to a minimum power level of 200 milliwatts at 10 dB attenuation The Set RF Attenuation command NN variables and corresponding attenuation set tings are shown in Table 7 10 Table 7 10 RF Attenuation Command Variables Attenuation Variable NN Setting dB 00 0 factory default 01 1 02 03 04 05 06 07 08 J O a BR wy 09 0 _ o Reader response Done 645NN Set SeGo Protocol Operating Range Distance Command 64 5NN sets the read range for SeGo protocol tags where NN is a hexadec imal value from 00 to 1F the range increases with increasing NN value The range can be adjusted for 32 discrete values where 00 is the shortest range and 1F is the longest range The default range value is 1F Reader response Done Commands 647XXX Select RF Operating Frequency Command 64 7XXX sets the reader RF from 860 to 930 MHz in 250 kHz steps where XXX is a hexadecimal value from 000 to 118 After the reader s frequency 15 set the value is stored in NVRAM This value is not altered by power down If
76. Multiprotocol Rail Reader System Guide TRANECORE TransCore 8600 Jefferson Street NE Albuquerque New Mexico 87113 June 2012 P N 412123 004 Multiprotocol Rail Reader System Guide ii Information in this document is subject to change and does not represent a commitment on the part of TC License Ltd 2010 TC License Ltd All rights reserved TRANSCORE AMTECH and EGO are registered trademarks and TRU is a trademark of TC License Ltd All other trademarks listed are the property of their respective owners Contents are subject to change Printed in the U S A For further information contact TransCore 3410 Midcourt Road Suite 102 Carrollton Texas 75006 USA Phone 214 461 4031 Fax 214 461 6478 Technical Support Phone 505 856 8007 Web transcore com rfidsupport For comments or questions about this document e mail tech pubs transcore com Multiprotocol Rail Reader Safety and Regulatory Information WARNING TO USERS IN THE UNITED STATES FEDERAL COMMUNICATIONS COMMISSION FCC LOCATION AND MONITORING SERVICE STATEMENT 47 CFR 90 351 NOTE The user is required to obtain a Part 90 site license from the FCC to operate this radio frequency identification RFID device in the United States The FCC ID number is FIHO5716 Access the FCC Web site at www fcc gov Forms Form601 601 html or at wireless fcc gov index htm job online filing to obtain additional information concerning licensing requirem
77. OCATIONS STATEMENT 47 CFR 2 105 Note This equipment can be set to use frequency ranges NOT authorized for use within the U S and thus will NOT comply with FCC U S frequency allocation requirements at those frequencies Note Users in all countries should check with the appropriate local authorities for licensing requirements iv Multiprotocol Rail Reader Safety and Regulatory Information Health Limits for Multiprotocol Rail Reader Using Exter nal Antenna 902 MHz Within the United States environmental guidelines regulating safe exposure levels are issued by the Occupational Safety and Health Administration OSHA Section 1910 97 of OSHA Safety and Health Standards 2206 legislates a maximum safe exposure limit of 10 milliwatts per square centimeter mW cm averaged over 6 minutes at 902 MHz Although not binding other organizations such as the American National Standards Institute ANSI have issued similar guidelines that are more restrictive than the OSHA limits ANSI C95 1 ANSI guidelines recommend a maximum safe power density in mW cm of Frequency in MHz 1500 Thus the maximum permissible exposure for general population uncontrolled expo sure at 902 MHz is 0 60 mW cm The power limit is a six minute average The power density generated by the Multiprotocol Rail Reader MPRR was cal culated using a maximum antenna gain of 14 dBi equivalent to the antenna gain of a Universal Toll Antenna Warning At
78. OM 1 Properties Dialog Box 4 In the pull down lists on the COMI Properties dialog box choose the following values e Bits per second 9600 baud e Data bits 8 e Parity None e Stop bits 1 e Flow control None Click OK The application displays the configparms Hyper Terminal main screen as shown in Figure 8 4 Configuring the Multiprotocol Rail Reader configparms HyperTerminal Ml ES File Edit View Call Transfer Help Djs e sole l Connected 0 00 15 Auto detect Auto detect SCROLL CAPS NUM Capture Printecho 72 Figure 8 4 Hyper Terminal Main Screen Verifying Communications You must verify that the MPRR and the PC or laptop are communicating To verify communications 1 Start the terminal emulation application as described previously in Starting the Terminal Emulation Software on page 8 4 Note When testing the MPRR using a laptop computer TransCore recommends that you configure laptop communication parameters to match those of the host device to which the MPRR will be connected after testing and configuration are completed 2 Cycle the power on the MPRR Upon startup the MPRR transmits a sign on message displayed on the terminal emulation screen as shown in Figure 8 5 or a boot ROM failure message Multiprotocol Rail Reader System Guide T SP II HyperTerminal O xi File Edi View Transfer Help Model 2000 Series Ver 2 04 SNOO0000 fCopyright 2003 TransC
79. R Elec trical and communications cables should be installed according to all applicable local and federal building code requirements Specific instructions for positioning and installing the MPRR are discussed in Chapter 4 Installing the Multiprotocol Rail Reader Developing the Site Plan Power and Communications Cables Cable length for power and communications depends on the physical characteristics of the MPRR installation site Table 2 3 lists accessory kits available for cabling options based on your site s requirements Table 2 3 Connector Cabling Accessory Kits Part Number Description 58 7001 001 MPRR to TRU six foot 1 8 m cable assembly 58 7001 002 MPRR to TRU 20 foot 6 1 m cable assembly 58 7001 003 MPRR cable assembly six feet 1 8 m no TRU 58 7001 004 MPRR cable assembly 20 feet 6 1 m no TRU Electrical Power When connecting the MPRR to a TRU in a trackside hut the MPRR draws its power directly from the TRU A dedicated power supply is only required when a MPRR is not connected to a TRU The dedicated power must be 16 20V AC or 16 28V DC A step down transformer is available North America only to convert a 110V AC duplex wall outlet with ground to 18V AC as is a step up transformer to convert a low voltage 12V AC outlet to 18V AC Consult your local and national electrical codes for installation and safety requirements Note MPRRs installed outside North America requir
80. R ISO For requirements for this format refer to ISO 10374 and the most recent version of Association of American Railroads Standard for Automatic Equipment Identification E 5 Multiprotocol Rail Reader System Guide Index A AA3110 Parapanel 2 7 AA3140 PCB Log Periodic 2 7 AAR 3 3 ACK NAK response 6 6 alignment reader and tag 2 5 antenna mounting 4 12 antenna interface 2 12 antenna selection 2 7 anti pass back 7 12 append time and date selection 7 10 append information commands 7 10 7 11 appended information status 7 17 appended tag data 8 12 ASCII terminals 7 3 assignments pin 4 8 Association of American Railroads 3 3 asynchronous message command message collision 6 13 ATA operating range 7 27 audible circuit tester 4 4 audience system guide 1 3 automatic periodic status report 7 36 auxiliary information 7 10 auxiliary reader control commands 7 35 7 37 B basic protocol 7 24 baud rate 7 7 boot checksum 7 22 boot failure message 5 6 buffer tag message 5 6 buffered handshakes 7 24 buzz box See audible circuit tester C cable power and communications 2 10 cable length 2 10 cabling accessory kits 2 10 check tag operation 7 37 Index Check tag to MPRR assembly procedures 11 3 required supplies 11 3 check tag to MPRR assembly 11 3 11 7 coaxial cable performance 2 12 COM 1 properties dialog box 8 6 command entry conventions 5 3 Command Group 0 See reader mode control commands Command Group 1
81. R to Host Communications Cable Pin Designations The interface cable is TransCore P N 58 7001 003 6 foot 1 8 m cable assembly no TRU or 58 7001 004 20 foot 6 1 m cable assembly no TRU Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document C 3 Multiprotocol Rail Reader System Guide C 4 Table C 2 MPRR to Host Communications Cable Pin Designations NAM Color Signal Description 1 Black SENSEO 2 White SENSE1 3 Red 24V DC 4 Green 24V DC 5 Orange 24V RETURN 6 Blue 24V RETURN 7 White Black LOCK 8 Red Black TRANSMIT DATA 1 9 Green Black RECEIVE DATA 1 10 Orange Black LOCK RETURN 11 Blue Black SIGNAL GROUND 12 Black White REQUEST TO SEND 1 13 Red White CLEAR TO SEND 1 14 Green White SIGNAL GROUND 15 Blue White SIGNAL GROUND Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document D Command Quick Reference Appendix D Command Quick Reference This appendix lists the default configuration settings for the Multiprotocol Rail Reader MPRR and its commands Commands are listed both numerically and alphabetically Command Syntax The command numbers consist of from 2 to 4 hex digits The letters N or S may follow a command number The letter N indicates that part of the command number
82. RR mode SenseO enables RF on antenna ports O and 1 and Sensel enables RF on antenna ports 2 and 3 See MUX Operational Modes on page 7 38 Command 527 also displays the c rent RF status and the uniqueness timeout ur Note If you enter RF settings using command 642NN the display command for RF output frequency F is Fxx and indicates use of the backward compatible frequency entry method Reader response RFST C 0 to 1 lt 0 to 1 lt 1 to 3 Fxxx Rxx Gxx Axx where co RF controlled by host Cl RF controlled by presence sensor on input the red green pair factory default 00 RF off Ol RF on T1 Uniqueness timeout of two minutes Ixx Commands T2 Uniqueness timeout of 15 seconds T3 Uniqueness timeout of 30 seconds FXXX RF output frequency xxx 000 to 118 hexadecimal offset in 250 kHz from 860 MHz If an invalid frequency value is stored corrupted NVRAM then xxx XXX to indicate an error in the frequency setting Rxx Tag decoder range distance for ATA tags xx 00 to 1F hexadecimal range value Gxx Tag decoder range distance for SeGo protocol tags xx 00 to 1F hexadecimal range value RF power attenuation where 00 is maximum output power and 1s minimum output power 10dB less than maximum power 104 Fixed For example if factory default settings are assigned the reader message is REST Cl 00 T1 Fxxx RIF GIF A00 104 which means that RF is enabled by presence
83. RR s communications parameters while in the command mode but TransCore does not recommend this action 1f communica tions conditions are marginal After the MPRR receives new communications parameters the MPRR issues the Done message and switches to the new configuration immediately The host device switches its communications parameters immediately after the transaction is com plete 6 11 Multiprotocol Rail Reader System Guide 6 12 As noted the message initiator such as the MPRR in data mode and the host device in command mode starts a timeout counter at the time a message is transmitted If the timeout expires before receiving an acknowledgement message a logical NAK condi tion is declared and the initiator assumes the message was received in error In this instance the message is retransmitted until an acknowledgement message is received The message recipient such as the host device in data mode and the MPRR in com mand mode starts a timeout counter when a lt som gt character is received If the time out expires without the receipt of an eom the message acquisition is aborted reset and the receiver waits for the next lt som gt character If the message recipient receives a second lt som gt character before an lt eom gt charac ter the message acquisition is aborted reset and retransmission of the previous mes sage is assumed to be underway These strategies allow for recovery during periods when comm
84. S 15 the time delimiter MM DD YY is the date delimiter Reader response Done 31N Append Auxiliary Information Selection Command 31N selects the option of appending auxiliary information to transmitted IDs presence without tag reports and input status change reports Auxiliary informa tion is not appended to error messages The factory default setting is no auxiliary information appended The N variable specifies whether or not auxiliary information is to be appended Append Auxiliary Information commands are shown in Table 7 5 Commands Table 7 5 Append Auxiliary Information Commands Command Append Option 310 No auxiliary information appended factory default 311 Auxiliary information appended The reader transmits messages with auxiliary information appended as message data xx y zz q sss where 26 separates the auxiliary information and signals the host computer that auxiliary information is appended reader ID Value can be set with command 60NN auxiliary information delimiter y antenna number ZZ number of reads 00 to FF hexadecimal of the previous tag on this antenna q current status of inputO and input 0 to 3 SSS relative to tag read strength Note If the MPRR mode is enabled 837 and you are using the Train Recording Unit TRUM as a host a relative tag strength is appended to the end of the auxiliary data Reader response Done ID Filtering Comman
85. Txx ECP timeout ms 50 xx TFF disabled ECP timeout no flow control X1 software flow control X2 hardware flow control S0 SOM character is Command mode switch 01 Done Data inquiry protocol enable 613 Done Data mode switch 00 Done Date set 21 Done Default operating parameters load except RF operating frequency 66F Done eATA disable 488 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported eATA enable 489 Done if MPRR model supports this tag protocol Error if tag protocol is unsupported Command Quick Reference Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message Echo disable 6170 Done Echo enable 6171 Done Echo status display 537 ECHO x 0 disabled 1 enabled ECP protocol select 611 Done ECP timeout set 12 7 sec 612FE Done ECP timeout set 612NN Done NN 01 FE 1 255 timeout 50 ms NN if NN FF timeout is disabled Even parity select 1021 Done Flash checksum display 540 PCKS 10000 Exxxx xxxx 4 byte ASCII checksum Flow control disable 6140 Done Get user programmable group 549 The response data is formatted select equals GSE filter data similar to the data in the configuration command Hardware configuration 506 S S information display S S ASCII string maximum length of
86. U Interface Cable Pin and Signal Designations MPRR Pin Signal Designation Signal Description TRU Pin 1 TXD1 Transmit Data 1 8 2 GND Signal Ground 15 3 LOCK Lock 7 4 GND Signal Ground 14 5 24RTN 24V Return 6 6 51 Clear to Send 1 13 7 24RTN 24V Return 5 8 RTS1 Request to Send 1 12 9 24V DC Input Voltage 4 10 GND Signal Ground 11 11 24V DC Input Voltage 3 12 LOCK_RTN Lock Return 10 13 SENSE 1 Input Sense 1 2 14 RXD1 Receive Data 1 9 15 SENSE_0 Input Sense 0 1 10 6 11 AT5720 Check Tag to MPRR Assembly Chapter 11 AT5720 Check Tag to MPRR Assembly This document describes the procedures to assemble and connect a check tag assembly to a Multiprotocol Rail Reader MPRR Required Supplies Before assembling the check tag antenna kit make sure you have the necessary sup plies and tools for this task Check Tag Kit TransCore P N 19114 00 Table 11 1 lists the kit parts Table 11 1 Check Tag Kit Parts List Quantity Description Terminal connector strip 9 position Self tapping screw Plastic connector housing sleeve Plastic nut cap with rubber insert Nylon closing cap a a PO p Check Tag Assembly Instructions You need the following additional materials and or tools to complete the installation e AT5720 Check Tag s e Jeweler flat blade screwdriver e Standard tools Phillips screwdriver wire stripper crescent wrench e M
87. XON XOFF flow control be disabled while using the ECP Use the following procedure to set flow control parameters using the terminal emula tion program See section 614N Select Flow Control Option on page 7 25 To select flow control 1 Ensure that the host device is in command mode 2 Enter command 6140 to disable flow control command 6141 to enable software flow control factory default or command 6142 to enable hardware flow control and press ENTER Fine Tuning and Verifying the Read Zone If the read zone is too wide or too deep for your application it can be fine tuned by physically adjusting the external antenna mounting orientation reprogramming the actual RF power output 6 44NN Set RF Attenuation and or reprogramming the RF sensitivity range 4 643NN Set ATA Operating Range Distance and 645NN Set SeGo Protocol Tag Operating Range The combination of these adjustments allows you to confine the read zone to the area where tagged vehicles pass See sections 643NN Select ATA Operating Range Distance on page 7 27 645NN Set SeGo Protocol Operating Range Distance on page 7 28 and 644NN Set RF Attenuation on page 7 28 for more information Note As described in Marking the Read Zone on page 4 14 marking the read pat tern using test tags that are hand carried by a tester gives a general idea of the read pattern but the pattern may vary somewhat when actual rail assets are read Physical
88. an change the default settings and control additional features The commands can be transmitted by manually entering the commands at the host keyboard if the host is in terminal emula tion mode The MPRR can also communicate with ASCII terminals Operating Modes The MPRR has three modes of operation data mode command mode and download mode The software for the MPRR contains two separate programs boot and appli cation The boot program has control of the MPRR on startup and when operating in download mode The application program has control of the MPRR during data mode and command mode operation and holds the application code Together they control the MPRR in the three modes of operation Data Mode The MPRR is in the data mode upon power up While in the data mode the MPRR sends all communications such as tag IDs and reports as data messages to the host device Reports provide information on input status changes inputO and inputl presence without tag report and buffer overflow information When MPRR mode has been enabled 837 and while the MPRR is in data mode the host device can send the following commands the MPRR e Command 01 changes the MPRR from the data mode to the command mode e Command 440 provides a one time reset of all tag uniqueness timers at which point the previously set timeout interval resumes e Command 8110 turns on RF portO and sends the command on Ctag pin 0 to fire off Ctag address 0
89. and any terminal emulation software to enter the host commands to download flash software configure reader operating parameters perform diagnostics and retrieve tag data The following procedures show examples using Hyper Terminal an application included with Microsoft Windows Most terminal emulation applica tions have a similar sequence for launching Configuring the Multiprotocol Rail Reader To start the terminal emulation software 1 At the command prompt type your terminal emulation start command or if using Windows Hyper Terminal select Programs gt Accessories gt Hyperterm and press ENTER The application displays the Connection Description dialog box as shown in Connection Description lt Figure 8 1 Connection Description Dialog Box 2 Enter a name for the session and click OK The application displays the Phone Number dialog box as shown in Figure 8 2 Phone Number Figure 8 2 Phone Number Dialog Box 8 5 Multiprotocol Rail Reader System Guide 3 From the Connect using pull down list choose the Com 1 option or whichever com port on the PC to which the RS 232 cable is attached and click OK The application displays the COM1 Properties dialog box as shown in Figure 8 3 COM1 Properties 12 fx Port Settings Bits per second seo Data bits fe H Parity None Stop bits Elow control Advanced Restore Defaults Apply Figure 8 3 C
90. as a specific area or window for optimum tag place ment Tag positioning in the tag placement window is based on the center of the tag in reference to window physical specifications Required Materials e Torque wrench in lb range e Bolts and nuts 10 24 NC threaded studs and nuts e Aluminum pop rivets e Poprivet gun Multiprotocol Rail Reader System Guide 3 4 Mounting Surface The mounting surface must be metal vertical and smooth within the area of the tag If the mounting area does not meet this requirement you must use a metal mounting bracket If the mounting surface is irregular or non metal e g fiberglass the tag must be attached to a metal bracket to provide an electrical reflector for the tag Use a 1 8 inch 0 32 cm or thicker smooth metal bracket that is the same size or larger than the tag The mounting bracket and tag must be in contact with each other to avoid interference with transmission of radio waves Tag Positioning Each piece of equipment has a specific area or tag placement window for optimum tag placement Tag positioning in the tag placement window is based on the center of the tag in reference to window physical parameters The tag placement window is on opposite ends and opposite sides of the equipment The front and rear ends of the equipment are referred to as the A end and B end The B end represents the hand brake end and the A end represents the opposite end look
91. ata Mode s cisco LER ERR EAE ER DATAE ek ER 7 3 Command MOG o eue aM Ra 7 4 Download Mode cr gt ea deterior e E dde aia a Back dea 7 5 List c ikesi irm ai cor qu ea dis Dira Frans 7 5 Reader Mode Control Command Group 0 7 5 00 Switch to Data Mode Factory 7 5 01 Switch to Command 7 7 Communications Port Control Command Group 1 7 7 TOON Select Baud an age 7 7 TOTN Select Stop BUS suo aa A ah 7 7 102N Select Parity as IR Ti BE nen ee 7 8 Commarog QIoOUe zis Qu reto IEA ale reos saws uet e oe 7 8 ES ADI A AA AAA AA AA ARA AA AA 7 8 Xiv Contents E IA II 7 9 22 Display Time and Date 7 9 Append Information Command Group 7 10 30N Append Time and Date 7 10 31N Append Auxiliary Information Selection 7 10 ID Filtering Command Group 4 7 11 40 Transmit All ID GOCGOS qu drea ae e ara 7 11 410N Select Unique ID Code Criteria Anti passback Feature 7 12 420N Select Valid ID Code Criteria 7 13 440 Reset Uniqueness o oooocooo llena 7 13 44N Set Uniqueness Timeout 22i 7 13 452 Disable Tag Translation Mod
92. attenuation Increasing the attenuation lowers the output RF power Switch to data mode by entering command 00 and pressing ENTER Verify that the read zone has decreased by moving the tag through the desired read area If the read zone is still too large switch to command mode and enter the command 64402 to lower the output RF power another 1 dB Continue increasing the NN value until the read zone matches the desired read zone When the desired read zone is established test the read zone with simulated and real traffic by performing the following procedures To test the read zone 1 2 Ensure that the MPRR is in data mode With the MPRR running place one tag behind your back while you hold another tag in the new read zone If a valid read the data from the tag held in the read zone displays on the PC screen Switch tags placing the other tag behind your back and holding the first tag in the read zone If a valid read the data from this tag held in the read zone displays on the PC screen If both tags are read you have successfully adjusted the read range If one or both tags did not read follow the suggestions in Verifying Tag Read Capability on page 8 9 Fine tuning the Read Zone by Adjusting Sensitivity Range The MPRR read zone can be fine tuned by using command 643NN for ATA proto col tag read mode or 645NN for SeGo protocol tag read mode to reprogram the RF sensitivity range Sensitivity range adjustments hav
93. b1 0x1290 0x22 3 0x32d2 0x4235 0x5214 0x6277 0x7256 Oxb5ea Oxa5cb 0x95a8 0x8589 Oxf56e Oxe54f Oxd52c Oxc50d 0x34e2 0x24c3 0x14a0 0x0481 0x7466 0x6447 0x5424 0x4405 0xa7db Oxb7fa 0x8799 0x97b8 0xe75f 0 77 0 71 Oxd73c 0x26d3 0x36f2 0x0691 0x16b0 0x6657 0x7676 0x4615 0x5634 0xd94c 0xc96d Oxf90e 0xe92f 0x99c8 0x89e9 0xb98a 0xa9ab 0x5844 0x4865 0x7806 0x6827 0x18c0 0x08e1 0x3882 0x28a3 Oxcb7d Oxdb5c Oxeb3f Oxfble Ox8bf9 0x9bd8 Oxabbb Oxbb9a 0x4a75 0x5a54 0x6a37 0x7a16 Ox0afl 0xlad0 0x2ab3 0x3a92 Oxfd2e OxedOf Oxdd6c Oxcd4d Oxbdaa Oxad8b 0x9de8 0x8dc9 0x7c26 0x6c07 0x5c64 0x4c45 0x3ca2 0x2c83 0x1ce0 Ox0ccl Oxef1f Oxff3e Oxcf5d Oxdf7c Oxaf9b Oxbfba 0x8fd9 Ox9ff8 0x6e17 0x7e36 0x4e55 0x5e74 0x2e93 0x3eb2 Ox0edl Oxlef0 Example 4 shows example of a function that creates the lookup table include lt stdio h gt define MAX_CHAR 256 define BITS_CHAR 8 define SIGN_BIT 0x8000 define POLY 0x1021 unsigned short crctab MAX_CHAR main unsigned short ch unsigned short workval unsigned short bit unsigned short carry for ch 0 ch MAX_CHAR ch workval ch lt lt BITS_CHAR for bit BITS_CHAR bit 0 bit carry workval SIGN_BIT workval lt lt 1 if carry workval POLY erctab ch workval for ch 0 ch MAX CHAR ch printf 0x 04x n crctab ch 6 16 Communications Pr
94. ca tions specification the MPRR maintains the following three sets of parameters that affect serial port communications e Port configuration parameters baud rate data bits stop bits parity Communications protocols basic error correcting e Flow control scheme none software hardware The default serial port configuration for each of these three parameters is as follows e 9600 baud 8 data bits 1 stop bit no parity e Basic communications protocol e Software flow control XON XOFF You can change these parameters in data mode and command mode operation by issu ing commands with the host device Use the following procedures to set serial port communications parameters using the terminal emulation program CAUTION Configuring the Multiprotocol Rail Reader Port Configuration Parameters Use this procedure to set port configuration parameters using the terminal emulation program Consult sections 100N Select Baud Rate through 102N Select Parity on page 7 8 To set baud rate 1 Ensure that the host device is in command mode 2 Enter command 100N and press ENTER To set stop bits 1 Ensure that the host device is in command mode 2 Enter command 101N and press ENTER To set parity 1 Ensure that the host device is in command mode 2 Enter command 102N and press ENTER Communications Protocol Use the following procedures to set communications protocol Consult sections 610 Select Basic
95. cking with commands 4100 or 4101 Select ID Separation Note The MPRR internal timing varies depending on the operative tag read mode and the type of tag in the read field Configuring the Multiprotocol Rail Reader See section 40 Transmit All ID Codes on page 7 11 and section 410N Select Unique ID Code Criteria Anti passback Feature on page 7 12 To set ID separation parameters 1 Ensure that the host device is in command mode 2 Enter command 4100 to select a separation of one ID enter command 4101 to select a separation of two IDs Press ENTER Reports The MPRR can be configured to transmit presence without tag reports and input status change reports A presence without tag report is transmitted in data mode only and only if the system has a presence detector This report is sent if a presence is detected without the detection of a valid tag ID See sections 529 Display Presence Input Sta tus on page 7 19 and 690N Select Presence Without Tag Report Option on page 7 30 To set presence reporting 1 Ensure that the host device is in command mode 2 Enter command 529 to display presence input status and press ENTER PO indicates presence without tag reports disabled factory default and P1 indicates presence without tag reports enabled 3 Enter command 6901 to enable presence without tag reports or enter command 6900 to disable presence without tag reports factory default Press ENTER
96. crc eom where som Start of message ASCII character lt seq gt Sequence number ASCII hex that represents an even number in the range 0 9 A F 2 4 6 8 A C E The MPRR maintains the number The host must acknowledge reader transmissions by sending an ACK message with the same sequence number received from the MPRR The MPRR updates its sequence number upon receipt of a valid host ACK If an ACK is not received the MPRR retransmits the message A reader transmission sequence is not considered complete until the MPRR receives an ACK and updates its sequence number lt data gt ASCII string up to 72 characters long This string may contain tag data a presence without tag report an input status change report anError06 Error07 Error08 orErrorll message or a sign on message Auxiliary data may also be included Multiprotocol Rail Reader System Guide crc eom Field containing four ASCII digits that represent the 16 bit CRC value calculated on the message The CRC value is calculated on bytes between the som character and the first crc byte When the host receives a properly framed message it can calculate a 16 bit CRC value The calculation is applied to the character string that immediately follows the som and that ends with the character immediately preceding the first crc character Transmitted CRC value can then be compared with the binary equivalent of the receiv
97. cy separation and 40 feet 12 2 m of antenna separation between the two adjacent readers is required for correct operation Required Materials You need test tags which can be supplied by your TransCore dealer or distributor to mark the read zone The test tag must be mounted flush against a metal backplane To mark the read zone 1 Confirm that you have correctly connected the power supply communications cable as described in this chapter 2 Start the terminal emulation application Microsoft HyperTerminal by selecting Programs gt Accessories gt Communications gt HyperTerminal and press ENTER 3 In the HyperTerminal dialog boxes choose the com port to which the communications interface is attached and set the properties as e Bits per second 9600 baud e Data bits 8 e Parity none e Stop bits 1 Flow control none Installing the Multiprotocol Rail Reader 4 Cycle the power on the MPRR and ensure that the sign on message displays 5 test the antenna connected to RF PORT 0 input the commands listed in Table 4 3 Note For testing purposes the MPRR should not be in MPRR mode and should not be multiplexing between multiple antennas MPRR mode is used for rail track smart multiplexing Note Settings for RF ATA range SeGo range and output power are the same for all antennas Table 4 3 Commands for Testing RF Port 0 Entry Reader Response Notes 01 lt CR gt lt CR LF gt
98. d AO RF off on timeout only Al RF off on timeout or tag A2 RF off on timeout or presence condition false factory default TO RF timeout of ms always expired T 4 ms T2 8 ms T3 12 ms T4 20 ms TS 24 ms T6 32 ms T7 48 ms T8 60 ms T9 92 ms TA 152 ms TB 300 ms Le 452 ms TD 600 ms TE 752 ms TE RF timeout infinite never expires factory default I0 input inversion disabled factory default I1 input inversion enabled For example if factory default settings are assigned the reader message is PRST PO DO A2 TF which means that presence without tag reports is disabled minimum presence true period is O RE off control on timeout or presence false infinite RF timeout and input inversion disabled Commands 530 Display RFO Filter Status Command 530 displays the parameter set for the RF input including the selected unique ID code criteria 4 10N Select Unique ID Code Criteria and the valid ID code criteria which are fixed at one acquisition Reader response RFOS 0 lt 0 to 4 V 0 to 3 where UO One ID separation factory default Ul Two ID separations U2 Three ID separations U3 Four ID separations U4 Transmit all IDs vo Valid ID code criteria of one acquisition factory default V1 Valid ID code criteria of two acquisitions V2 Valid ID code criteria of three acquisitions V3 Valid ID code criteria of four acquisitions For example if factory default settings a
99. d Group 4 Group 4 commands set criteria for filtering buffering or discarding ID codes These commands are useful for eliminating duplicate ID codes and selecting the type of tags read by the MPRR 40 Transmit All ID Codes Command 40 instructs the reader to transmit all IDs without regard for uniqueness This command can be useful when tuning the read zone and mapping the footprint or performing diagnostics 7 11 Multiprotocol Rail Reader System Guide 7 12 After diagnostics are complete you may want to reinstate the uniqueness check using command 410N Select Unique ID Code Criteria Reader response Done 410N Select Unique ID Code Criteria Anti passback Feature Command 410N instructs the reader to buffer and transmit ID codes according to the following test an ID is read if previously decoded IDs have changed value at least N 1 times since the new ID was last received IDs that do not pass the test are not reported The factory default setting is command 4100 which selects a separation of one ID Variable N specifies ID separation as shown in Table 7 6 Table 7 6 Unique ID Code Criteria Command Uniqueness Criteria 4100 Separation of 1 ID factory default 4101 Separation of 2 IDs 4102 Separation of 3 IDs 4103 Separation of 4 IDs Each time the reader receives a tag ID it compares the ID with the contents of a com parison register This register contains the following two items
100. dress to 0 on check tag pin 0 8151 Set Check Tag Address to 1 on Check Tag Pin 0 Command 8151 sets the check tag address to 1 on check tag pin 0 8152 Set Check Tag Address to 0 on Check Tag Pin 1 Command 8152 sets the check tag address to 0 on check tag pin 1 8153 Set Check Tag Address to 1 on Check Tag Pin 1 Command 8153 sets the check tag address to 1 on check tag pin 1 7 35 Multiprotocol Rail Reader System Guide 7 36 830 Disable Automatic Periodic RF Status Report Factory Default Command 830 is a default set in the factory to disable the automatic periodic RF status report Reader response Done 831 Enable Automatic Periodic RF Status Report Command 831 enables the automatic periodic RF status report This function sends out a periodic RF status report if no other message a tag read is sent from the reader for a period of time This message is the same message that would be sent in response to the 527 Display RF Status command Enabling this function is helpful in some sites where there may not be much tag activity and the user wants an automatic way to ensure the communication channel with the reader is still intact With this function enabled the host system will get a message from the reader at least every three min utes Reader response Done 836 Disable MPRR Mode Command 836 disables the MPRR mode Reader response Done 837 Enable MPRR Mode Command 837 enables the MPRR mode Read
101. e Factory Default 7 14 453 Enable Tag Translation 7 14 456 Enable SeGo Protocol Tag Initialization During Multi tag Sort Factory Default ee Cer cet Ai AE 7 14 457 Disable SeGo Protocol Tag Initialization During Multi tag Sort 7 14 480 Disable ATA tm us ru rdi Wu E S uo E A ton Macs ste qo RA 7 14 4G6T Enable ATA S A AA e URS EDS EI RIEN MEER RUE RTT 7 15 484 Disable SOCIO Ss dorsi acie icc atada Dd eer bes 7 15 485 ENAaDI8 SOCIO dx ee aa C ed A us NER RO EON 7 15 488 Disable eATA 2 lilii 7 15 489 Enable GATA 2x de wie Ree ru Bah ita ke e rois 7 15 Reader Status Command Group 5 7 15 505 Display Software 7 15 506 Display Hardware Configuration 7 15 520 Display Power Fail 7 16 521 Display Reader ID 7 16 522 Display Communications Port Parameters 7 16 524 Display Appended Information 1 7 17 525 Display Communications Protocol Status 7 17 527 Display RF 5 5 7 18 529 Display Presence Input 7 19 530 Display Filter 5 1 5
102. e Ctag address to 0 8151 send the command on Ctag pin 0 to set the Ctag address to 1 7 37 Multiprotocol Rail Reader System Guide 7 38 To enable check tag 1 issue the following commands 8112 turn on RF port2 send the command on Ctag pin 1 to fire off Ctag address 0 8113 turn on RF port3 send the command on Ctag pin 1 to fire off Ctag address 1 8143X send the command on Ctag pin 1 to set the Ctag character 8152 send the command on Ctag pin 1 to set the Ctag address to 0 8153 send the command on Ctag pin 1 to set the Ctag address to 1 MUX Operational Modes To enable antenna multiplexing muxing operational modes issue the following commands 836 837 Disable enable MPRR mode 850 RF port 0 only factory default 851 mux between RF ports O and 1 852 mux between RF ports 0 1 and 2 853 mux between RF ports 0 1 2 and 3 552 Display mux setting This display message will include MPRR if MPRR mode is enabled 837 When MPRR mode is disabled the reader will continuously step through each port that has been enabled with 85X stepping through whichever tag protocols are enabled on each port in order The reader turning RF on will be qualified RF on by sense setting Command 6401 is used to turn RF on continuously and bypass the RF on by sense SenseO is used for all antennas that are enabled if RF is turned on by sense 641 When MPRR mode i
103. e N variable specifies the baud rate shown in Table 7 1 Table 7 1 Select Baud Rate Commands Command Baud Rate Selected 1002 1200 1003 2400 1004 4800 1005 9600 factory default 1006 19 2K 1007 38 4 K Caution If ECP is enabled ensure that the ECP timeout is sufficient for the new baud rate See Timing and Synchronization on page 6 11 Reader response Done 101N Select Stop Bits Command 101N selects the number of stop bits for reader character transmission The factory default setting is 1 stop bit The N variable specifies the number of stop bits as indicated in Table 7 2 Multiprotocol Rail Reader System Guide 7 8 Table 7 2 Select Stop Bits Commands Command Stop Bits Selected 1010 1 factory default 1011 2 Reader response Done 102N Select Parity Command 102N selects the reader parity setting The factory default setting is par ity disabled The N variable specifies parity as shown in Table 7 3 Table 7 3 Select Parity Commands Command Data Bits Parity Selected 1020 8 Disable parity factory default 1021 7 Select even parity 1022 7 Select odd parity Reader response Done Command Group 2 Group 2 commands control the real time clock which maintains the MPRR internal time and date This time and date can be appended to IDs error messages and sensor input reports An internal battery supports the cloc
104. e a locally supplied transformer TransCore offers a Class C transformer accessory kit part number 76 1620 005 for sites where 110V AC is available It is the installer s responsibility to supply conver sion equipment and wiring for other voltages Table 2 4 contains power supply current requirements Table 2 4 Power Supply Current Requirements RF On RF Off Suppl Worst Case Standby Operating pp y Maximum Currentat Current at 68 F 68 F 20 C 20 C 16 to 20V AC 1 7 A at 18V AC 1 at18V AC 16 to 28V DC 1 7 A at18V DC 1A at18V DC Power circuits are protected internally against power surges 2 11 Multiprotocol Rail Reader System Guide Host Communications Your site design must include communications between the MPRR and the TRU or other host device The MPRR communicates with the TRU or other host device through an asynchronous RS 232 interface Figure 2 5 shows the MPRR communica tions port and Figure 2 6 shows the connector pin designations Check Tag Connector Communications Power Connector HW 0416 Figure 2 5 Location of Communications Power Port on MPRR 8 TRANSMIT DATA 1 SIGNAL GND 7 LOCK SIGNAL GND 6 24V RETURN CLEAR TO SEND 1 5 24V RETURN REQUEST TO SEND 1 4 24VDC SIGNAL GND 3 24V DC LOCK RETURN 2 SENSE RECEIVE DATA 1 1 SENSEO HW 0415 Figure 2 6 Pin Assignments for Communications Connectors The standard RS 232 connection maximum distance depends on t
105. e host device initiates synchronous communications between the MPRR and the host The host begins a sequence by issuing a command the MPRR responds accord ingly The data inquiry protocol format is as follows lt CTRL E gt The basic protocol format is as follows lt som gt lt cmd gt lt data gt lt eom gt Multiprotocol Rail Reader System Guide The ECP format is as follows lt som gt lt seq gt lt cmd gt data crc eom where lt CTRL E gt ASCII Control E hex 5 digit When in data inquiry mode each transmission of a CTRL E by the host causes the MPRR to transmit one tag ID lt som gt Start of message ASCII character lt seq gt Sequence number ASCII hex digit that represents an odd number in the range 0 9 A F 1 3 5 7 9 B D F The host should use odd sequence numbers in its command since the MPRR uses even sequence numbers in its transmissions This method eliminates the possibility of a synchronous host command and an asynchronous reader transmission having the same sequence number Upon receiving a host command in ECP the MPRR replies using the command s sequence number in its response Therefore the host device updates its sequence number upon receipt of a valid reader response If the sequence number is not updated before transmission of the next command the MPRR will not service the new command it will retransmit its previous message A command message sequence is n
106. e less impact on the read pattern than RF power adjustment thus RF power adjustment should be used as the main read pattern adjustment tool Sensitivity range control may be helpful in stopping some tag reads on the very edges of the read pattern To produce a noticeable change in the read pattern you must decrease the range sensitivity by more than one increment To adjust the read zone by adjusting sensitivity range 1 Ensure that your PC is communicating with the MPRR using a terminal emulation program as described in Verifying Communications on page 8 7 Mark the current read zone as described in Marking the Read Zone on page 4 14 8 19 Multiprotocol Rail Reader System Guide 8 20 Enter command 01 to switch to command mode You are prompted with DONE from the reader and can now enter reader commands Enter command 64318 or 64518 to decrease the range sensitivity seven increments below the maximum default Press ENTER Note In the command 643NN or 645NN NN be any hexadecimal value from 00 to IF The reader s receiver becomes less sensitive to tag signals as the value of NN is lowered from the maximum sensitivity of 1F to the minimum sensitivity of 00 Verify that the read zone has decreased by moving the tag through the desired read area If the read zone is still too large switch to command mode and enter the command 64317 or 64517 to decrease the range another increment Continue increa
107. e utility hosted process Download Considerations You should consider the following factors when performing program download The MPRR does not process tags while in download mode The MPRR does not accept any program data unless a successful erase of flash memory has been performed before transmitting the data Erasing the flash mem ory typically takes two seconds Cycling reader power after exiting from download mode re executes startup If the new software has been loaded without errors the MPRR comes up in data mode If a flash checksum error is detected the MPRR reenters download mode and transmits a sign on message with a boot version of 0 00x and without a serial number Note The MPRR uses default boot communications parameters when operating in download mode 38400 baud 8 data bits 1 stop bit no parity basic protocol and does not echo commands Download Procedures If TransCore releases a new version of the MPRR software or if the MPRR does not appear to be working properly you may need to download the software to the MPRR Contact technical support or your TransCore MPRR sales representative Upon startup MPRR transmits a sign on message or a boot ROM failure message Multiprotocol Rail Reader System Guide Sign On Message If startup is successful the sign on message appears as follows Model E4 Series software version SNSSSSSS Copyright notice where SSSSSS is the serial number assigned t
108. eader MPRR The information includes factory configuration parameter defaults and instructions for using terminal emulation software to verify and change the MPRR factory configuration defaults Configuring the Reader After installing the MPRR you need to configure its operating parameters Terminal settings should be initially set at 9600 baud 8 data bits no parity 1 stop bit and no flow control Default Operating Parameter Settings Table 8 1 contains the factory default configuration settings for the MPRR operating parameters The default configuration settings may not be the correct operating con figuration settings for a specific site Changes to the configuration settings may have to be made depending on the site plan as described in Chapter 2 Developing the Site Plan Review the default configurations shown in Table 8 1 to determine which parameters in addition to operating frequency and operating range need to be adjusted Refer to Chapter 7 Commands for a complete list of parameters and the corresponding commands Note The dual protocol MPRR internal timing varies depending on the operative tag read mode and the type of tag in the read field Table 8 1 MPRR Default Configuration Settings Parameter Setting Command Operating mode Data 00 Baud rate 9600 1005 Stop bits 1 1010 Parity None 1020 Time and date appended Enabled 302 Auxiliary information appended Disabled 310 U
109. ed crc characters If the transmitted and received CRC values do not match the recipient assumes the message was received in error and transmits a NAK message response End of message characters ASCII CR and LF The system includes both a carriage return CR and line feed LF to facilitate the use of terminals and printers If the host receives a som character in the middle of a data message the message in progress is aborted The assumption is that an eom was lost and the MPRR is in the process of retransmitting the previous message ECP Host ACK NAK Response With ECP the host device responds to all data message transmissions from the MPRR using the following acknowledgment or negative acknowledgment response format lt som gt lt seg gt lt ack nak gt lt crc gt lt eom gt where lt som gt lt seq gt lt ack nak gt lt crc gt lt eom gt Start of message ASCII character Echo of the sequence number received from the MPRR The sequence number should correspond to the data message that is being positively or negatively acknowledged by the host If the MPRR receives an ACK message with the incorrect sequence number the data message is retransmitted The host device resets the anticipated data message sequence number to that of the MPRR before communications can resume without error ASCII character for ACK response ASCII character for NAK response CRC value for the message End o
110. ed to MPRR antenna ports 2 and 3 The reader RF switches on to the appropriate RF ports immedi ately upon detecting SENSEx 4 13 Multiprotocol Rail Reader System Guide Sense Output Circuit The sense output is dedicated for testing and reader setup It is defined as the TAG_LOCK signal which indicates a valid tag is in the read field This sense output is a dry contact that provides a normally open and normally closed sense output The relay contacts are rated at 42 2V AC peak 30 Vims or 60V DC at 1 A maximum If controlling an external gate or device requiring high current an iso lation transformer is required Marking the Read Zone 4 14 CAUTION Caution Be sure to follow all applicable rail safety regulations when marking the read zone The area where the MPRR reads tags at the current RF range is called the read zone The antenna pattern or read zone of the MPRR would look roughly like a pear shaped balloon if you were able to see it When installing the MPRR you should first mark the unit s read zone using the RF range set at the factory default maximum You can later adjust the read zone using the techniques discussed in Fine Tuning and Ver ifying the Read Zone on page 8 18 If two MPRRs are installed near each other TransCore recommends that you fine tune each reader for the ideal read zone before connecting it permanently to sense input sense output and communications cables A minimum of 2 MHz frequen
111. eld reenter the sort process Reader response Done 457 Disable SeGo Protocol Tag Initialization During Multi tag Sort Command 457 disables the reader from sending the SeGo protocol tag initialize command as part of the multi tag sort function Any SeGo protocol tags already iden tified by the reader during the sort process will not be re identified as long as they remain powered in the RF field The reader will only identify new tags that come into the RF field or tags that do not remain powered in the RF field Reader response Done 480 Disable ATA Command 480 disables the reader from reading ATA protocol tags Commands 481 Enable ATA Command 481 enables the reader to read ATA protocol data from tags if the reader is programmed to read this tag protocol 484 Disable SeGo Command 484 disables the reader from reading SeGo protocol data from tags 485 Enable SeGo Command 485 enables the reader to read SeGo protocol data from tags if the reader is programmed to read this tag protocol 488 Disable eATA Command 488 disables the reader from reading factory programmed eATA data from tags 489 Enable eATA Command 489 enables the reader to read factory programmed eATA data from SeGo protocol tags Reader Status Command Group 5 Group 5 commands provide status reports on the parameters and operation of the reader 505 Display Software Version Command 505 displays the reader model number software vers
112. ensing requirements Technical Support Authorized dealers and distributors are responsible for the direct support of all customers Authorized dealers and distributors needing technical support can contact Technical Support Phone 505 856 8007 Web transcore com rfidsupport Please be prepared to answer a series of questions that are designed to direct you to the best support resource available 2 Developing the Site Plan Chapter 2 Developing the Site Plan This chapter provides a brief description of the Multiprotocol Rail Reader MPRR and discusses site plan development for installing the MPRR System System Description The MPRR is a reader that supports Association of American Railroads AAR for matted tags and TransCore s low cost high performance Super eGo SeGo radio frequency identification RFID technology The MPRR is a high power unit that reads full frame tags The reader output power can be adjusted using reader commands The MPRR can multiplex up to four antennas which allows a single reader to be used for two tracks The MPRR can support up to two AT5720 Check Tags Reader The MPRR consists of an input output I O module a power supply a reader logic board also called a tag decoder and a radio frequency RF transmitter receiver called the RF module in a compact enclosure These MPRR components are con tained in a highly reliable compact and easy to install package Figure 2 1 sh
113. ents NOTE Users in all countries should check with the appropriate local authorities for licensing requirements FCC RADIO FREQUENCY INTERFERENCE STATEMENT 47 CFR 15 105 a NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate RF energy and may cause harmful interference to radio communications if not installed and used in accordance with the instruction manual Operating this equipment in a residential area is likely to cause harmful interference in which case depending on the laws in effect the user may be required to correct the interference at their own expense NO UNAUTHORIZED MODIFICATIONS 47 CFR 15 21 CAUTION This equipment may not be modified altered or changed in any way without permission from TransCore LP Unauthorized modification may void the equipment authorization from the FCC and will void the TransCore warranty USE OF SHIELDED CABLES IS REQUIRED 47 CFR 15 27 a NOTE Shielded cables must be used with this equipment to comply with FCC regulations TransCore LP USA iii Multiprotocol Rail Reader System Guide WARNING TO USERS IN THE UNITED STATES FEDERAL COMMUNICATIONS COMMISSION FCC UNITED STATES TABLE OF FREQUENCY ALL
114. er response Done 850 MUX RF Port 0 Factory Default Command 850 enables RF Port 0 which disables antenna multiplexing Reader response Done 851 MUX Between RF Ports 0 and 1 Command 851 multiplexes between RF ports 0 and 1 Reader response Done Commands 852 MUX Between RF Ports 0 1 and 2 Command 852 multiplexes between RF ports 0 1 and 2 Reader response Done 853 MUX Between RF Ports 0 1 2 and 3 Command 853 multiplexes between RF ports 0 1 2 and 3 Reader response Done 891 MUX Test Mode RF Port 1 Only Command 891 turns on RF port 1 only for antenna testing Reader response Done Note See MUX Test Modes on page 7 38 for test operation 892 MUX Test Mode RF Port 2 Only Command 892 turns on RF port 2 only for antenna mux testing Reader response Done Note See MUX Test Modes on page 7 38 for test operation 893 MUX Test Mode RF Port 3 Only Command 893 turns on RF port 3 only for antenna mux testing Reader response Done Note See MUX Test Modes on page 7 38 for test operation Check Tag Operation To enable check tag 0 issue the following commands 8110 turn on RF port0 send the command on Ctag pin 0 to fire off Ctag address 0 8111 turn on RF portl send the command on Ctag pin 0 to fire off Ctag address 1 8 142X send the command on Ctag pin 0 to set the Ctag character 8150 send the command on Ctag pin 0 to set th
115. ere are no obstructions of the tag s clear zone Attach tag to body bolster within tag placement window Figure 3 12 Optimal Tag Placement for Tank Cars 3 12 A Installing the Multiprotocol Rail Reader Chapter 4 Installing the Multiprotocol Rail Reader This chapter lists the materials needed and presents the procedures to pre test and install the Multiprotocol Rail Reader MPRR Installation Process After you have developed the site plan and identified the location to install the MPRR and antennas if required you are ready to install the equipment Installation involves the following tasks e Power and tag read capability testing prior to final installation of the MPRR e Mounting the MPRR in a railside hut Mounting the railside antenna s Connecting the antenna s e Connecting the MPRR to Earth Ground and power source Marking the read zone e Connecting the MPRR host and sense input sense output and communications Materials Supplied by TransCore You need the following materials to pre test and install the MPRR TransCore supplies some of the materials other materials must be obtained from other sources Contents of Shipping Carton Ensure that you have received all parts before beginning your pre installation MPRR tests Your MPRR is packaged with the following materials One MPRR One Multiprotocol Rail Reader Quick Start Guide e Any accessories ordered as options as shown in
116. eters Commands Reader response Model E4 Series Ver X XX SNSSSSSS Copyright 2008 TransCore where X XXD Version number SSSSSS Serial number of the unit skipping the fourth character printed on the reader product label 640N RF Control Command 640N directly controls the RF module The N value controls the RF power as shown in Table 7 9 Note These commands only have an effect when the reader is not in MPRR mode See commands 836 and 4837 Table 7 9 RF Control Commands Command RF Power 6400 Turns off RF 6401 Turns on RF Command 6400 disables RF by input control command 641 Select RF by Input Control Reader response Done 641 Select RF by Input Control Factory Default Command 641 configures the reader for RF by input control The reader automati cally turns on RF when it detects a presence through sense0 The reader turns off RF according to the selected RF control algorithm 6 92N Select RF Control Algorithm Note This command only has an effect when the reader is not in MPRR mode Reader response Done 643NN Select ATA Operating Range Distance Command 64 3NN selects the read range for ATA tags where NN is a hexadecimal value from 00 to 1F the range increases with increasing NN value The range can be adjusted for 32 discrete values where 00 is the shortest range and 1F is the longest range The default range value is 1F Reader response Done 7 27
117. exadecimal the first byte in the Comparison Data field 12 decimal must be equal to 01 hexadecimal the third byte in the Comparison Data field OF 15 decimal must be equal to 02 hexadecimal the sixth byte in the Comparison Data field Reader response Done Commands Auxiliary Reader Control Command Group 8 Group 8 commands provide control of reader functions such as the sense input lines 8110 Switch on RF Port 0 Fire Off Check Tag Address 0 on Check Tag Pin 0 Command 8110 turns on RF Port 0 and sends the command on Ctag pin 0 to fire off Ctag address 0 8111 Switch on RF Port 1 Fire Off Check Tag Address 1 on Check Tag Pin 0 Command 8111 turns on RF Port 1 and sends the command on Ctag pin 0 to fire off Ctag address 1 8112 Switch on RF Port 2 Fire Off Check Tag Address 0 on Check Tag Pin 1 Command 8112 turns on RF port2 and sends the command on Ctag pin 1 to fire off Ctag address 0 8113 Switch on RF Port 3 Fire Off Check Tag Address 1 on Check Tag Pin 1 Command 8113 turns on RF Port 3 and sends the command on Ctag pin 1 to fire off Ctag address 1 8142X Set Check Tag Character on Check Tag Pin 0 Command 8142X sends the command on Ctag pin 0 to set the Ctag character 8143X Set Check Tag Character on Check Tag Pin 1 Command 8143X sends the command on Ctag pin 1 to set the Ctag character 8150 Set Check Tag Address to 0 on Check Tag Pin 0 Command 8150 sets the check tag ad
118. f message character ASCII CR Communications Protocols The MPRR sets a user programmable timeout delay at the time each message is trans mitted based on command 61 2NN Set Error Correcting Protocol Timeout where NN timeout delay To disable the timeout delay for diagnostic purposes issue the com mand 612FF Disable Error Correcting Protocol Timeout If the timeout delay expires before the MPRR receives an ACK or NAK message from the host a logical NAK condition will be declared If the MPRR receives a NAK or timeout the reader retransmits the data message When the MPRR receives an ACK message the system software treats the message as having been properly received by the host The software increments the sequence number and advances pointers to the next message in the MPRR s message queue to prepare for sending the next message Switch to Command Mode Request The host device may issue command 01 Switch to Command Mode while in data mode The basic protocol format is as follows lt som gt lt cmd gt lt eom gt The ECP format is as follows som seq cmd crc eom where som Start of message ASCII character lt seq gt Sequence number generated by the host device separately from that appearing in data messages transmitted by the MPRR lt cmd gt Switch to command mode ASCII characters 01 crc CRC value for the message eom End of message character ASCII CR Host Transmission Th
119. following is a typical sequence after power on limiting buffered messages Note Ensure that no tags are in the field when you are performing this troubleshoot ing procedure Caution To avoid damage to the MPRR ensure that you have connected the antenna or a dummy load to the reader before applying power to the reader Reader transmission on power up 0 Model SN crc eom Manually enter 40Q eom Reader transmission 2 Copyright 2008 TransCore lt crc gt lt eom gt 6 17 Multiprotocol Rail Reader System Guide 6 18 Manually enter Manually enter Reader response Manually enter reader response 2 lt gt 101 lt eom gt this puts reader into command mode 1Done lt crc gt lt eom gt 3610 lt eom gt this puts reader into basic protocol disabling ECP Done Enter any other desired diagnostic or directive commands in basic protocol After maintenance is complete enter the commands 00 to return the reader to data mode 611 to return to error correcting protocol 1100 eom to return reader to data mode Commands Chapter 7 Commands This chapter discusses the host transmitted commands that are used to control the Multiprotocol Rail Reader MPRR configuration and operation Introduction The MPRR is delivered from the factory with specified default settings that determine how the reader operates Commands transmitted by the host device c
120. four byte ASCII representation of the flash memory checksum 543 Display Boot Checksum Command 543 displays the boot ROM checksum Reader response BCKS XXXX where xxxx represents the four byte ASCII representation of the boot ROM check sum 549 Get User Programmable Group Select Equals GSE Filter Data Command 549 queries the reader for the user programmable GSE filter data pro grammed in the reader using command 697 The response data is formatted similar to the data in the configuration command For example 1f the command string shown in command 697 see 697 Set User Pro grammable Group Select Equals GSE Filter on page 7 34 was sent to a given reader the response to the 549 query command would be FAZ 0005014202024133 The reader response contains all the data fields repeated in the same sequence as dis played in the User Programmable GSE configuration command Commands 552 Display Antenna Multiplexing Mode Command 552 displays the antenna multiplexing mode When the MPRR mode is enabled the response is Reader response MUX x lt 0 to 3 gt lt MPRR gt where x 0 antenna multiplexing disabled RF on port 0 only x 1 antenna multiplexing between RF ports 0 and 1 when sense0 active x 2 antenna multiplexing between RF ports 0 and 1 when senseO active and RF port 2 when sensel active x 3 antenna multiplexing between RF ports 0 and 1 when senseO active and RF ports 2 and 3 when sense
121. g sequence number 6 12 FCC internet site 1 6 FCC license See licensing requirements flash checksum 7 22 flow control option 7 25 frequency separation 2 8 H hardware configuration information 7 15 hardware configuration string 7 33 Hyper Terminal 4 13 Hyper Terminal main screen 8 7 1 ID filtering commands 7 11 7 15 ID separation 8 12 illegal sequence number 6 13 incorrect CRC 6 13 input inversion option 7 32 input output circuits 2 12 input output module 2 3 installing reader 4 3 4 14 additional testing materials 4 4 on wall or flat surface 4 12 optional accessories 4 4 outer dimensions and mounting hole locations 4 10 required materials 4 3 wall or flat surface 4 12 Index L licensing requirements 1 5 line of sight 2 6 load default operating parameters 7 30 Locomotive mounting guidelines 3 7 tag placement 3 9 tag placement window location 3 7 M Manually disabling ECP for maintenance 6 17 marketing support 9 6 mixed population tags 2 4 mounting antenna 4 12 mounting reader 4 10 MPRR repair 9 6 MPRR to TRU connection 10 5 MPRR to TRU interface 10 3 10 6 multiple reader sites 2 8 Multiprotocol Rail Reader description 2 3 MUX operational modes 7 38 O operating mode status 7 23 operating modes command mode 7 4 data mode 7 3 download mode 7 5 organization system guide 1 3 parameters configuring 8 12 default operating 8 3 operating 5 4 parity 7 7 7 8 periodic RF status report 7 3
122. g the baud rate 100N the number of stop bits 4 101N the parity scheme 102N and the end of line delay Reader response MAIN B 2 to 7 S lt 0 to 1 lt 0 to 2 DO where B2 1200 baud B3 2400 baud B4 4800 baud B5 9600 baud factory default B6 19 2 kbps B7 38 4 kbps 50 one stop bit factory default s1 two stop bits Commands PO no parity factory default Pl even parity P2 odd parity DO 00 ms end of line delay fixed One space is required between each value For example if factory default settings are assigned the reader message is MAIN B5 SO PO DO indicating 9600 baud one stop bit no parity and 0 ms end of line delay Note The information transmitted in response to command 522 applies to data and command mode operation only While operating in download mode default communi cations parameters are always used 524 Display Appended Information Status Command 524 displays the information being appended to the reader transmissions Command 31N appends information Reader response IDAP T lt 0 to 1 D lt 0 to 1 X lt 0 to 1 where TO Time not appended T1 Time appended DO Date not appended D1 Date appended Auxiliary information not appended factory default X1 Auxiliary information appended One space is required between each value For example if factory default settings are assigned the reader response is IDAP T1 D1 XO indicating t
123. he Ensure that the MPRR is powered on Paus a hen 2 Verify that the reader is set to RF ON 6401 Verify that the antenna is connected correctly 6 The MPRR came from Different commands were probably used to support the other another site and does not site s specific configuration You can restore the factory work the way the factory defaults by using a terminal emulation program to switch to defaults indicate that it command mode and issuing command 66F Load Default should Operating Parameters All factory defaults except RF frequency will be restored 7 When connected to a PC The MPRR works The software is now loaded SSSSSS is that is running terminal the TransCore assigned serial number for this MPRR communications software a However if SSSSSS 000000 a serial number has never just powered up MPRR been assigned If a serial number has not been assigned to displays one of the following your MPRR contact TransCore Technical Support messages Model E4 Series X XX SNSSSSSS Copyright notice 8 The read zone is too small If another MPRR is in the same area ensure that it is even before the RF power and range control have been adjusted operating on another frequency that is at least 2 MHz different Check for possible interference from another nearby RF source fluorescent lights neon signs high voltage power lines nearby cellular telephone or radio stations Lights will need to be removed or shielded Point the
124. he baud rate cable type and the RS 232 device at the other end 2 12 Developing the Site Plan Input O utput Circuits The MPRR s two RF sense input circuits are designed to connect to dry contact clo sures The MPRR s tag lock output circuit is a single pole double throw relay provid ing a dry contact closure These contacts are rated at 42 2V AC peak 30 or 60V DC at 1 A maximum with noninductive load Output circuit is not intended for the direct control of electromechanical devices such as motorized barrier arms For such applications the MPRR output circuit should be used to drive a secondary appropriately rated high power relay Antenna Interface The site design must include interface cable s between the MPRR and the compatible antenna s chosen for the site The antenna interface is RF coaxial cable with male Type N sockets on each end Table 2 5 is a summary of coaxial cable performance Figures indicate maximum lengths of cable in feet Table 2 5 Reader to Antenna Cable Performance Maximum Cable Length ft Maximum Cable Length ft Cable dm Low MP Medium Low Media Loss Loss Loss Loss RG 223 0 216 6 18 7 23 RG 214 0 425 12 37 14 41 5 1 50 0 250 15 45 18 55 LDF2 50 0 375 28 85 29 87 FSJ 4 50B 0 500 27 83 30 91 LDF4 50A 0 500 42 128 49 146 LDF5 50A 0 875 76 229 86 259 LDF6 50 1 125 103 310 122 366 LDF7 50A 1 625 122 366 147 44
125. hipping and installation an antenna can build up a very high voltage charge The voltage needs to be discharged before connecting the antenna to the reader 1 Terminate the reader end of the grounding RF cable with any N type load or RF attenuator Figure 4 2 Multiprotocol Rail Reader System Guide Figure 4 2 Connect RF N type Load or Attenuator to Reader Cable End 2 Connect the grounding RF cable to the antenna see Item 1 in Figure 4 3 Figure 4 3 Short Load to Earth Ground 3 Short the outer metal case of the load or attenuator to Earth Ground for approximately 10 seconds see Item 2 in Figure 4 3 In this example the CAUTION Installing the Multiprotocol Rail Reader operator is using the mounting pole that has been properly connected to Earth Ground Disconnect the grounding RF cable from the antenna and connect the permanent RF cable to reader Once the antenna is discharged and properly connected to the reader the reader circuitry provides a DC path to keep any further charge from building up in the antenna Caution TransCore does not recommend using a screwdriver or other tool to short the RF cable center conductor to the outer ground of the cable This grounding method can damage the center pin or the threads of the connector TransCore strongly advises that you use adequate Earth Ground for this voltage discharge procedure in accordance with the National Electric Code for the locale where you are instal
126. icates the command subgroup In this example all commands with a second digit of O apply to the main port 0 The command digit In this example the 0 indicates that this command affects the baud rate 5 Indicates the setting Normally this is a variable and is usually a hexadecimal value from O through F In this example 5 sets the baud rate to 9600 the factory setting In some commands this digit may be a four place hexadecimal string or a character string Multiprotocol Rail Reader System Guide Command Response Conventions Like the MPRR commands responses are preceded by the character Many MPRR commands respond with Done or Error indicating the command was or was not recognized and completed Other commands respond with a four character identifier followed by one or more values Table 5 2 shows an example of a command reply sequence This example assumes that an MPRR with serial number SN97001P running version X XX software is con nected to a PC running a terminal emulation software package such as Windows Hyper Terminal or Procomm Plus The command sequence verifies that communica tions are working correctly Table 5 2 Sample Command Sequence Entry MPRR Response Notes 01 CR Done lt CR LF gt Switches MPRR to command mode 505 lt CR gt Model E4 Series Ver X XX Reports the software SNO8001P lt CR LF gt version and serial number 00 lt CR gt Done lt
127. igure 3 5 shows the right front location of a tag on a locomotive Figure 3 5 Right Front Placement of Tag on Locomotive Figure 3 6 illustrates the tag placement window on the left rear portion brakeman s side of the locomotive The left boundary of the tag window is 2 feat from the center line of the inside axle towards the centor of the vehide The sight boundary of the the top of the Figure 3 6 Tag Placement Window Location for Locomotives Left Rear 3 8 Choosing Installing and Removing Tags Tag Placement Optimal tag placement centers the tag on the left boundary line of the tag placement window Figure 3 7 Alternately the center of the tag may be mounted anywhere within the tag placement window provided there are no obstructions to the tag s clear zone Center tag on left boundary of tag Figure 3 7 Optimal Tag Placement for Locomotives Rail Car Mounting Guidelines Install two tags on each rail car on opposite ends and opposite sides of the equipment Install one on the right front A end and another on the left rear B end Tag Placement Window Location Horizontally the tag placement window extends from the center line of the truck to two feet from the center line of the inside axle measure toward the center of the vehicle Vertically the tag placement window begins at two feet above the top of the rail end and extends to a maximum of five feet above the to
128. il Reader System Guide 7 14 The timeout clock is continually reset does not expire as long as the reader receives the same tag ID For example assume that the timeout clock is set for two minutes and there is a railcar parked on a siding in front of the reader Without this reset feature the railcar s ID would be reported every two minutes each time the timeout clock expired 452 Disable Tag Translation Mode Factory Default Command 452 disables tag translation mode Incoming full frame tags will be converted directly to ASCII They will not be translated from Association of American Railroads AAR and American Trucking Associations ATA format to ASCII Reader response Done 453 Enable Tag Translation Mode Command 453 enables the translation of tags in AAR and ATA formats Specific data fields such as owner ID and car number will be extracted from these tags translated according to AAR or ATA standards and converted to ASCII Tags that are not programmed in AAR or ATA format will be converted directly to ASCII The reader will not attempt to translate data from half frame or dual frame tags Reader response Done 456 Enable SeGo Protocol Tag Initialization During Multi tag Sort Factory Default Command 456 enables the reader to send the Super eGo SeGo protocol tag ini tialize command as part of the multi tag sort function When the reader sends the SeGo protocol tag initialize command all tags in the RF fi
129. il bit reset 65 Done Command Quick Reference Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message Presence input status display 529 PRST Px DO Ax Tx Ix PO disable presence w o tag reports P1 enable presence w o tag reports DO min presence true period of 0 ms AO PF off on timeout A1 RF off on timeout or tag A2 RF off on timeout or no presence TO RF timeout of 0 ms always expired T1 RF timeout of 4 ms T2 RF timeout of 8 ms T3 RF timeout of 12 ms T4 RF timeout of 20 ms T5 RF timeout of 24 ms T6 RF timeout of 32 ms T7 RF timeout of 48 ms T8 RF timeout of 60 ms T9 RF timeout of 92 ms TA RF timeout of 152 ms TB RF timeout of 300 ms TC RF timeout of 452 ms TD RF timeout of 600 ms TE RF timeout of 752 ms TF RF timeout infinite never expires factory default 10 Input inversion disabled factory default 11 Input inversion enabled Presence without tag reports disable 6900 Done Presence without tag reports enable 6901 Done Reader ID number display 521 RDID xx xx 00 FF Reader ID number set NN 00 FF 00 factory default 60NN Done Reader reset 63 Model model Ver version no SN serial no Copyright date TransCore Report changes both 823 Done RF attenuation set NN 00 to 644NN Done D 19 Multiprotoco
130. ime and date appended and auxiliary information not appended 525 Display Communications Protocol Status Command 525 displays the status of command 610 Select Basic Communications Protocol command 611 Select Error Correcting Protocol or 613 Enable Data Inquiry Protocol command 614N Selected Mode of Flow Control and command 612NN Error Correcting Protocol Timeout Reader response ECPS P lt 0 to 2 lt 01 to FF lt 0 to 2 gt SO 7 17 Multiprotocol Rail Reader System Guide 7 18 where PO Basic protocol selected factory default 1 enabled 2 data inquiry protocol enabled Txx ECP timeout where xx 01 to FE hexadecimal Timeout ms 50 xx If xx FF timeout disabled X0 Flow control disabled X1 Software flow control enabled factory default X2 Hardware flow control enabled S0 start of message character is 4 For example if factory default settings are assigned the reader message is ECPS PO X1 SO which means basic protocol selected an ECP timeout of 254 12 700 ms or 12 7 sec software flow control enabled and start of message character is 527 Display RF Status Command 527 displays the current status of the RF module The reader response indicates whether RF is controlled externally by the host set by command 640N RF Control or internally by input set by command 641 not applicable to the MPRR RF always is controlled by SenseO and Sensel when reader is in MP
131. ing forward To determine left and right sides stand at the end and look toward the front end of the equipment Refer to the appropriate section for tag placement window location on rail cars and locomotive devices Where possible tags should be mounted in locations that minimize the likelihood of damage from equipment such as forklifts cranes and other hazards Mount the tag on a plane perpendicular to the rail back of the tag against the equipment with the long edge of the tag horizontal to the rail There is a clear zone surrounding the tag and toward the wayside that allows for unobstructed data transmission This zone must not be obstructed by any metallic objects or protrusions Choosing Installing and Removing Tags As Figure 3 1 illustrates there should be no obstructions in the area extending 45 from the center line of the tag to one inch outside either narrow side of the tag The side view depicts the tag as viewed from the top of the equipment CLEAR ZONE lt t Center Point of Tag 45 Obstructions Obstructions Allowed Allowed 2375 in 1 in 1 in Figure 3 1 Clear Zone Side View Figure 3 2 illustrates that there should be no obstructions in the area extending 60 from the center line of the tag to 1 inch outside either long side of the tag The end view depicts the tag as viewed from the end of the equipment CLEAR ZONE lt I Canter Point of Tag 60 Obst
132. installation locale WD 0093 Figure 4 5 Location of MPRR Ground Stud 2 Connect the MPRR to a power supply using the interface cable The pin numbers for the reader DB15 connector Figure 4 6 is shown in Figure 4 7 and the pin assignments and corresponding wire numbers and colors are listed in Table 4 2 The TransCore part number P N for the communication cable is 58 7001 003 or 58 7001 004 Installing the Multiprotocol Rail Reader Check Tag Connector Communications Power Connector HW 0416 Figure 4 6 Location of Communications Power Port on MPRR 8 TRANSMIT DATA 1 SIGNAL GND 6 24V RETURN REQUEST TO SEND 1 ae 4 24V DC SIGNAL GND 3 24V DC LOCK RETURN 2 SENSE1 RECEIVE DATA 1 1 SENSEO HW 0415 Figure 4 7 Pin Assignments for Signal to Host Connectors Table 4 2 MPRR to Host Communications Cable Pin Designations TransCore P N 58 7001 003 or 58 7001 004 Color Signal Description 1 Black SENSEO 2 White SENSE1 3 Red 24V DC 4 Green 24V DC Multiprotocol Rail Reader System Guide Table 4 2 MPRR to Host Communications Cable Pin Designations TransCore P N 58 7001 003 or 58 7001 004 continued dde ea Color Signal Description 5 Orange 24V RETURN 6 Blue 24V RETURN 7 White Black LOCK 8 Red Black TRANSMIT DATA 1 9 Green Black RECEIVE DATA 1 10 Orange Black LOCK RETURN 11 Blue Black SIGNAL GROUND 12 Black White REQUEST TO SEND 1
133. ion information and assigned serial number Reader response Model E4 Series Ver X XX SNSSSSSS where X XX Version number SSSSSS Serial number of the unit skipping the fourth character printed on the reader product label 506 Display Hardware Configuration Information Command 506 displays hardware configuration information stored in the reader memory by the user Hardware configuration information is empty by default until you set the information to any 20 character ASCII string desired using command 6965 5 Reader response An ASCII string from 1 to 20 characters in length 7 15 Multiprotocol Rail Reader System Guide 7 16 520 Display Power Fail Bit Command 520 displays the value of the reader power fail bit The power fail bit changes from 0 to 1 when power to the reader is interrupted To reset the bit use com mand 63 Reset Reader or command 65 Reset Power Fail Bit On initial power up the host should transmit one of these two commands to clear the power fail bit Reader response PWRB P lt 0 to 1 gt RO where PO No power failure detected 1 Power failure detected RO Not applicable to the MPRR 521 Display Reader ID Number Command 521 displays the reader ID that is sent in the auxiliary data field Reader response RDID xx where xx 01 to FF hexadecimal 522 Display Communications Port Parameters Command 522 displays the selected communications port parameters includin
134. is used to enable on antenna ports 2 and 3 The sense input circuits are used to notify the MPRR of train presence and are designed to be connected to a free of voltage dry contact The MPRR sense inputs are designed to connect to a dry con tact closure You can configure the MPRR to generate input status change reports which are trans mitted like tag IDs The host can then respond based on the true false closed open status of the sense inputs See the section Reports on page 8 13 The following procedures describe how to set sense inputs using the terminal emula tion software See command 694N Select Input Inversion Option on page 7 32 for more information To set sense inputs 1 Ensure that the host device is in command mode 2 Enter command 6940 to disable input inversion factory default or command 6941 to enable input inversion and press ENTER Sense Output Device The sense output is dedicated for testing and set up of the reader Itis defined as the TAG_LOCK signal and indicates that a valid tag is in the read field This sense output is a dry contact that provides a normally open and normally closed sense output The relay contacts are rated at 42 2V AC peak 30 Vims or 60V DC at 1 A maximum If controlling an external gate or device requiring high current an iso lation transformer is required Serial Port Communications The MPRR supports one RS 232 communications port For the RS 232 communi
135. ission at the same time it transmits a command it ignores the asynchronous message and waits for the MPRR s response The MPRR retransmits asynchronous data after it transmits the command message ECP Reliability An undetected error is defined as a message having incorrect data or status but no par ity or CRC errors An error transaction is defined as a message having either a parity or CRC error Laboratory testing indicates an undetected error rate of less than one undetected error per 1 000 000 error transactions with parity enabled To ensure this error rate is not exceeded the host must enable parity and adhere closely to the timing specifications discussed previously in the Timing and Synchro nization on page 6 11 section 6 13 Multiprotocol Rail Reader System Guide CRC Calculation 6 14 The CRC used by the ECP is based on a 16 bit algorithm The algorithm as imple mented operates on eight bit characters for example a seven bit ASCII character plus one optional parity bit The 16 bit result is converted to four ASCII hex charac ters and is appended to messages transmitted by the MPRR The MPRR accepts four ASCII gt characters 60 hex as a wild card CRC value in lieu of a valid four character CRC value to facilitate testing and diagnostic checkout The MPRR implements the algorithm with a 512 byte lookup table to reduce the pro cessing overhead requirements To simplify the implementation of the CRC
136. ission is not a legal command with legal data Communications Protocols Timing and Synchronization The ECP is largely independent of baud rate The timeout delays previously described are a function of baud rate The MPRR supports an ECP timeout which applies equally to both transmit and receive The receiver s minimum timeout delay equals the time to transmit receive the longest anticipated message at the current baud rate setting Additional margin should be included for idle periods between characters for example processing overhead 1f any The timeout delay period can be expressed as follows Trec ms L x Tchar Tidle where Tchar ms 1000 x B R Bc Bits per character typically 10 Rb Baud rate 1200 38 4 K L Length of message in characters Tiaie Maximum idle period between characters ms Note The MPRR supports baud rates between 1200 and 36 4 K Likewise the sender must set a timeout delay equal to the delay of nine characters at the current baud rate setting For example the time required to shift out the eom character plus the time to shift in the ACK or NAK message to be received plus a pro cessing allowance for the receiver to process the message and check for error condi tions Thus the sending timeout delay can be expressed as follows Tsend ms 9 Tchar Terrchk where Terrckh ms Processing period to perform error checking by receiver The host device can remotely set the MP
137. ite wire pair to the leads from the battery Verify that RF is on Using a terminal emulation program you may switch to command mode and issue command 527 to determine RF status See page 7 18 for more information 2 The baud rate is selected The MPRR is not communicating with your host device Check correctly but nothing the power supply to your host device and check the happens connections between the host device and the MPRR Try reversing the receive and transmit connections 9 4 Troubleshooting and Maintenance Table 9 2 Symptoms and Remedies continued Symptom Number Symptom Remedy 3 When testing the MPRR all The MPRR may not have the software loaded inside the unit the wires are connected Contact Technical Support as described on page 9 6 correctly but the unit does If not respond you are using a terminal emulation program check that the terminal emulation setting on the MPRR is VT100 Check that the MPRR communication cable is connected to the correct COM port Verify that the external antenna is connected correctly 4 Strange signal responses Ensure that the reader is in the correct interface mode for the come from the MPRR when test tag that is AAR for an AAR formatted tag Check the system defaults using a terminal emulation program Both PC and reader should be set to 9600 baud 8 bits 1 stop bit and no parity 5 Nothing happens when t
138. k so time and date are preserved if main power is lost 20 Set Time Command 20 sets the time Enter the time in the proper format two digit decimal entries with no spaces between characters and using colons as delimiters The entry format is as follows 20HH MM SS or 20HH MM SS hh where HH represents hours 00 to 23 MM represents minutes 00 to 59 Commands SS represents seconds 00 to 59 hh represents hundredths of a second 00 to 99 is the time delimiter If hundredths of a second is not specified the reader sets the hundredths register to 00 Reader response Done 21 Set Date Command 21 sets the date Enter the date in the proper format two digit decimal entries with no spaces between characters and using forward slashes as delimiters The entry format is as follows 21MM DD YY where MM represents the month 01 to 12 DD represents the day 01 to 31 YY represents the last two digits of the year 00 to 99 is the date delimiter Reader response Done 22 Display Time and Date Command 22 displays the reader s current time and date One space separates the time and the date output Reader response HH MM SS hh MM DD YY where HH represents hours MM represents minutes SS represents seconds hh represents hundredths of seconds is the time delimiter MM represents the month DD represents the day YY represents the last two digits of the year is the date delimiter Mu
139. l Error if tag protocol is unsupported 485 Enable SeGo Done if MPRR model supports this tag protocol Error if tag protocol is unsupported 488 Disable eATA Done if MPRR model supports this tag protocol Error if tag protocol is unsupported 489 Enable eATA Done if MPRR model supports this tag protocol Error if tag protocol is unsupported Command Quick Reference Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 505 Display version Model model Ver version no SN serial no 506 Display hardware configuration S S information S S ASCII string maximum length of 20 characters 520 Display power fail bit PWRB Px RO PO no power fail has occurred P1 power fail has occurred RO not applicable to the MPRR 521 Display reader ID number RDID xx xx 00 FF 522 Display comm port parameters MAIN Bx Sx Px DO B2 1200 B3 2400 B4 4800 B5 9600 B6 19 2 B7 38 4 SO one stop bit S1 two stop bits PO no parity P1 even P2 odd DO EOL delay of O ms 524 Display appended info status IDAP TO DO Xx TO time not appended T1 time appended DO date not appended D1 date appended aux info not appended X1 aux info appended 525 Display comm protocol ECPS Txx Xx 50 PO basic P1 ECP P2 data Inquiry Txx ECP timeout ms 50 xx FF disabled ECP timeout no flow control X1
140. l Rail Reader System Guide D 20 Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message RF off on timeout 6920 Done RF off on timeout no presence 6922 Done RF off on timeout tag 6921 Done RF turn off 6400 Done RF turn on 6401 Done RF on by input control 641 Done RF operating frequency from 860 to 930 in 250 kHz steps select XXX 000 118 hexadecimal 647XXX Done RF operating frequency select 642NN Done RF status display 527 REST Ox Tx Fxxx Rxx Axx 104 RF controlled by host C1 RF by presence sensor RF off O1 RF on T1 uniqueness timeout of 2 min T2 uniqueness timeout of 15 sec uniqueness timeout of 30 sec Fxxx RF output frequency xxx 000 to 118 Rxx Tag decoder range distance for ATA tags 00 to 1F hexadecimal range value Gxx Tag decoder range distance for eGo Plus Tags 00 to 1F hexadecimal range value Axx RF power attenuation 00 max to OA min 10 dB less than max 104 fixed If you enter RF settings using command 642NN the display command for RF output frequency F is Fxx and indicates use of the backward compatible frequency entry method RF timeout infinite set 693F Done Table D 3 MPRR Commands Listed Alphabetically continued Command Quick Reference
141. l active MPRR MPRR mode selected 560 Request Sensor Status Change Command 560 displays the sensor status change reporting Not applicable to the MPRR Reader response SSTC lt 0 to 1 M 0 to 3 gt where EO Input status change reports disabled factory default El Input status change reports enabled MO Reporting disabled factory default M1 Changes on inputO reported M2 Changes on inputl reported M3 Changes on either input reported For example if factory default settings are assigned the reader message is SSTC EO MO which means that input status change reports are disabled on both and inputl 570 Display Operating Mode Status Command 570 displays the currently selected tag read mode Reader response ATA E D gt eGo I F D gt SeGo lt I F D gt IAG lt E D gt Sort lt E D gt TMMO where 7 23 Multiprotocol Rail Reader System Guide 7 24 I ID 64 bits E Enabled F Full transaction eATA D Disabled TMMO Fixed 577 Report Buffered Handshakes Command 577 reports the buffered handshakes When in MPRR mode and or if antenna multiplexing is enabled the response is Reader response HDSH CO lt ww gt Cl lt xx gt C2 lt yy gt lt zz gt where ww count from port 0 XX count from port 1 yy count from port 2 ZZ count from port 3 Reader Control Functions Command Group 6 Group 6 commands set reader control functions such as reader
142. l polarization The test tag must be mounted flush against a metal backplane Note The default tag read mode of the reader is the protocol s programmed into the reader Use only those test tags programmed with the correct protocol s for the reader Caution To avoid damage to the MPRR you must connect the antenna before applying power to the reader To verify tag read capability 1 Once communications are verified as described in Verifying Communications on page 8 7 enter the following sequence of commands to turn on continuous RE 01 6401 40 00 2 Pass one test tag in front of the active MPRR antenna If MPRR reads the tag the terminal emulation application displays the tag information on the screen as shown in Figure 8 7 Successful Tag Read Configuring the Multiprotocol Rail Reader T SP II HyperTerminal Iof x Fie Edit View Cal Transfer Help ole ol alel El Model Series Ver 1 XX SNOO0000 Copyright 2008 TransCore AMTECH TEST333333333 Figure 8 7 Successful Tag Read If the tag ID is not displayed perform the following actions e Verify that the MPRR is in data mode command 00 Switch to Data Mode Ensure that the tag you are using is compatible with the MPRR The MPRR can read tag types that are compatible with the reader model e AnMPRR displays the tag read for any tag that is compatible with the reader programming e Using the audible circuit tester as described in
143. le 11 1 Check Tag Kit Parts 1181 11 3 Table 11 2 Check Tag 0 Wire Assignments 11 4 Table 11 3 Check Tag 1 Wire Assignments 11 5 Table C 1 Communications Interfaces and Conductor Requirements C 3 Table C 2 MPRR to Host Communications Cable Pin Designations C 4 Table D 1 MPRR Default Configuration Settings D 3 Table D 2 MPRR Commands Listed Numerically D 5 Table D 3 MPRR Commands Listed Alphabetically D 15 Table E 4 SeGo Protocol Tags else dolo ne nn E 3 Table E 5 AAR formatted Tags E 4 XXi Multiprotocol Rail Reader System Guide 1 Introduction Purpose Audience Chapter 1 Introduction This chapter is the introduction to this manual and provides information pertaining to the audience organization document conventions system description and license information for the Multiprotocol Rail Reader System This guide provides site planning and testing installing and operating instructions for TransCore s Multiprotocol Rail Reader MPRR System which reads Association of American Railroads AAR formatted
144. ling the MPRR Connecting the Antenna This section explains the connection between the MPRR and antenna s Figure 4 4 Antenna PORT 2 PORT 1 PORT 2 3 Multiprotocol Rail Reader Ta NN qo HW 0409 Figure 4 4 MPRR Showing Antenna Ports To connect the reader and antenna 1 2 3 Ensure the reader is turned off and unplugged Connect one end of the RF interface cable to the antenna Connect the other end of the RF interface cable to the appropriate antenna port on the end of the MPRR See Figure 4 4 For consistent performance terminate unused antenna ports using a 50 Ohm N type terminator Multiprotocol Rail Reader System Guide 4 8 CAUTION Connecting the MPRR to a Power Supply Caution e To avoid damage to the MPRR first connect the reader to Earth Ground using a ground cable and stake before powering up the reader or connecting to an antenna TransCore recommends that you follow the National Electric Code or equivalent code for surge protection for the locale where you are installing the MPRR Connect any antenna s or terminate the antenna ports before applying power to the reader To connect the MPRR to a power supply 1 Connectthe MPRR to Earth Ground Figure 4 5 shows the location of the MPRR ground stud Ground Stud Multiprotocol Rail Reader Ensure proper Earth Ground for MPRR in accordance with National Electric Code for the reader
145. ltiprotocol Rail Reader System Guide 7 10 Append Information Command Group 3 Group 3 commands append useful information to reader transmissions such as IDs error messages and sensor input reports Auxiliary information such as reader num ber antenna number or manual entry code number of times the previous tag was read and sensor input status can be appended to the ID using the Group 3 commands 30N Append Time and Date Selection Command 3 0N selects the option of appending the time and date to transmitted IDs error messages presence without tag reports and input status change reports The factory default setting is time and date appended command 302 The reader returns an Error message if its tag buffer contains data The reset reader command 63 may be transmitted to clear the buffer however tag ID data will not be reported If this is unacceptable allow the buffer to empty before re issuing append time and date command 30N Append Time and Date commands are shown in Table 7 4 Table 7 4 Append Time and Date Commands Command Append Option 300 No time and date appended 302 Time and date appended factory default The reader transmits messages with time and date appended as follows One space separates the time from the date lt string gt 8 lt HH MM SS hh MM DD YY gt where string is a tag ID error message or report amp separates lt string gt from the time and date HH MM S
146. ly Orienting the MPRR Antenna s You can manually adjust the location of the read zone by loosening the antenna s mounting hardware and pointing the antenna in the desired direction The unit should be aligned to point directly at the tag as 1t enters the desired read zone Fine Tuning the Read Zone by Lowering Output Power You can make the read zone smaller by adjusting the MPRR power output from a maximum of 2 watts to a minimum of 200 milliwatts using command 6 44NN Set RF Attenuation To adjust the read zone by lowering output power 1 Ensure that your PC is communicating with the MPRR using a terminal emulation program as described in section Verifying Communications on page 8 7 2 Mark the current read zone as described in section Marking the Read Zone on page 4 14 Caution Test tags should be compatible with your MPRR Test tags can be AAR formatted or SeGo protocol tags Configuring the Multiprotocol Rail Reader Enter command 01 to switch to command mode You are prompted with DONE from the reader and can now enter reader commands Enter in command 64401 to lower the RF power by 1 dB below 2 watts default Press ENTER Note In the command 644NN NN be any hexadecimal value from 00 to OA Settings for attenuation are 1 0 dB increments over a range of 10 dB of atten uation from the maximum power setting of 2 watts at 0 dB attenuation to a mini mum power level of 200 milliwatts at 10 dB
147. n message 5 6 8 8 site plan 2 3 site plan developing 2 3 2 12 site planning overview 2 4 software commands 7 3 software flow control 8 17 software version 7 15 software related information 5 3 startup 5 5 stop bits 7 7 store hardware configuration string 7 33 successful tag read screen 8 11 Super eGo 1 3 3 3 switch on RF port 0 fire check tag address 0 on check tag pin 0 7 35 RF port 1 fire check tag address 1 on check tag pin 0 7 35 RF port 2 fire check tag address 0 on check tag pin 1 7 35 RF port 3 fire check tag address 1 on check tag pin 1 7 35 switch to command mode 7 7 data mode 7 5 system description 2 4 system guide audience 1 3 organization 1 3 purpose 1 3 T tag choosing installing and removing 3 3 compatible 2 4 compatible types 3 3 installing recommended mounting locations mounting surface 3 4 required materials 3 3 surface installation techniques 3 6 tag positioning 3 4 models 3 3 reading mixed population 2 4 types 3 3 tag decoder 2 3 tag read capability verifying 8 9 tag translation mode status 7 21 Tank car mounting guidelines tag placement 3 12 tag placement window location 3 11 Technical Support 1 6 technical support 1 6 9 6 Index terminal emulation software starting 8 4 using to configure parameters 8 4 testing pre installation 4 4 Discharging voltage from external antenna 4 5 using audible circuit tester 4 4 time set 7 8 time and date display 7 9 timing and synchronization 6 1
148. ne 695S S Set Serial Number Factory Default Command 695 assigns the reader serial number according to the format 695555555 where 555555 is the serial number The serial number may contain as many as six uppercase or lowercase ASCII alphanu meric characters Note The factory assigned serial number of the reader contains seven characters However to maintain backward compatibility the reader software allows only six characters to be entered When setting the serial number skip the fourth middle character of the seven character number shown on the reader product label Note Once assigned the serial number is preserved during power down and the loading of default parameters Reader response Done 696S S Store Hardware Configuration String Factory Default Command 696S S stores hardware configuration information into reader mem ory The hardware configuration string is assigned according to the following format 696S 8 where S S is the hardware configuration string that may contain as many as 20 uppercase or lowercase ASCII alphanumeric characters Note Once assigned configuration information is preserved during power down and the loading of default parameters Reader response Done 7 33 Multiprotocol Rail Reader System Guide 7 34 697 Set User Programmable Group Select Equals GSE Filter Command 697 sets the user programmable GSE filter The command string is assigned according
149. ne NN 01 FE 1 255 timeout 50 ms NN if NN FF timeout is disabled 612FE Set ECP timeout 12 7 sec Done 613 Enable data inquiry protocol Done 6140 Disable flow control Done 6141 Enable software flow control Done 6142 Enable hardware flow control Done 6170 Disable echo Done 6171 Enable echo Done 63 Reset reader Model model Ver version no SN serial no Copyright date TransCore 6400 Turn off RF Done 6401 Turn on RF Done 641 Select RF by input control Done 642NN Select RF operating frequency Done 643NN Set ATA operating range distance Done NN 00 shortest to 1F longest 1F default 644NN Set RF attenuation Done NN 00 to OA 645NN Set SeGo protocol operating Done range distance NN 00 shortest to 1F longest D 11 Multiprotocol Rail Reader System Guide Table D 2 MPRR Commands Listed Numerically continued Number Command Name Reader Message 647XXX Select RF operating frequency Done from 860 to 930 in 250 kHz steps XXX 000 118 hexadecimal 65 Reset power fail bit Done 66F Load default operating Done parameters except RF operating frequency 6900 Disable presence without tag Done reports 6901 Enable presence without tag Done reports 6920 Turn RF off on timeout Done 6921 Turn RF off on timeout tag Done 6922 Turn RF off on Done timeout no presence 693N Set RF timeout Done N 0 F always expired 4 8 12 20 24 32
150. nique ID code criteria Separation of 1 ID 4100 Tag translation mode Disabled 452 Multiprotocol Rail Reader System Guide Table 8 1 MPRR Default Configuration Settings continued Parameter Setting Command SeGo protocol tag initialization Enabled 456 during multi tag sort Reader ID number 00 6000 Communications protocol Basic 610 Error correcting protocol ECP 12 7 sec 612FE timeout Flow control Software XON XOFF 6141 Echo mode Enabled 6171 ATA operating range Maximum 6431F RF attenuation Full power 64400 SeGo protocol tag operating range Maximum 6451F Presence without tag reports Disabled 6900 RF off control Timeout or no presence 6922 RF timeout Never true 693F Input inversion Disabled 6940 Serial number SSSSSS 695 Store hardware configuration Hardware configuration not 696 known Automatic periodic RF status report Disabled 830 Configuring Parameters with Terminal Emulation Software 8 4 To configure the MPRR using a PC and terminal emulation software to manually enter MPRR host commands follow the instructions in the section Connecting the MPRR to the Host on page 4 13 Then enter the appropriate configuration commands through the terminal emulation software on the host See Chapter 7 Commands for a detailed description of all available configuration commands Starting the Terminal Emulation Software You can use a PC
151. nnect Detector to MPRR detector switches RF TRU Option B nee MPRR Connect Detector to TRU zen TRU switches RF S959 Figure 8 9 MPRR RF Control Options Presence Detector Controlling RF Transmission The presence detector can be a loop detector a track circuit an infrared sensor an ultrasonic sensor or another presence detection device that is connected to sense inputO to turn on the MPRR RF transmitter In Figure 8 9 Option A shows a presence detector controlling the RF transmitter This operation is ensures that the RF is on only when a train is in the MPRR read zone Command 641 Select RF by Input Control factory default must be enabled To set the option of the presence detector controlling the MPRR Ensure that the host device is in command mode Enter command 641 Press ENTER Leave the setting on RF by input control for normal operation Host Controlling RF Transmission In Figure 8 9 Option B shows the host controlling the RF transmitter This is the most common implementation If the presence detector is connected to the host device as shown in Option B com mands 6400 RF Off and 6401 RF On sent from the host device turn on and off the MPRR RF transmitter Sense Inputs The RS 232 configuration used by the MPRR has two sense inputs SENSEO and SENSEI SENSEO is used to enable RF on antenna ports 0 and 1 if enabled and 8 15 Multiprotocol Rail Reader System Guide 8 16 SENSE
152. ntrol value or increase RF attenuation until the MPRR cannot read tags on the adjacent track To continue testing other antennas ensure that the reader configurations used for RF 0 antenna Table 4 3 are maintained The following tables list the required commands for testing PORT 1 PORT 2 and 3 Installing the Multiprotocol Rail Reader Table 4 4 Commands for Testing RF PORT 1 Entry Reader Response Notes 01 lt CR gt lt CR LF gt Switches MPRR to command mode 891 lt CR LF gt Test mode RF PORT 1 only 6401 lt CR LF gt Turns on RF 00 lt CR gt lt CR LF gt Returns MPRR to data mode Table 4 5 Commands for Testing RF PORT 2 Entry Reader Response Notes 01 lt CR gt lt CR LF gt Switches MPRR to command mode 892 lt CR LF gt Test mode RF PORT 2 only 6401 lt CR LF gt Turns RF 00 lt CR gt lt CR LF gt Returns MPRR to data mode Table 4 6 Commands for Testing RF PORT 3 Entry Reader Response Notes 01 lt CR gt lt CR LF gt Switches MPRR to command mode 893 lt CR LF gt Test mode RF 3 only 6401 lt CR LF gt Turns on RF 00 lt CR gt lt CR LF gt Returns MPRR to data mode 4 17 Multiprotocol Rail Reader System Guide 4 18 Y General Software Information
153. o the MPRR unit being used Serial number 000000 is the default setting and is not a valid number If this number appears in the sign on message the serial number has never been stored into reader memory The serial number must be assigned by factory authorized personnel using command 695S S Set Serial Number Because only six digits are allowed in the software when setting the serial number skip the fourth middle digit of the seven digit number shown on the reader label If the flash memory checksum does not indicate verification the sign on message appears as follows at a baud rate fixed at 38 400 bps Model E4 Ver 0 00x Copyright notice Boot Failure Message Upon powering up the software performs a checksum verification on itself The func tion returns a specific value for the particular version of software If the value returned is not correct the boot code assumes that the application code has been corrupted and a failure condition exists If the failure message does not transmit a communications error has occurred or the boot has failed to the extent that it cannot transmit the failure message If the failure message version number equals 0 00 and no serial number exists the flash memory checksum has failed and the MPRR is operating out of boot ROM In this case the MPRR automatically enters download mode and waits for a new pro gram to be loaded into the flash memory Contact TransCore Technical Support at 505 856
154. on line feed meter megahertz method of operation Multiprotocol Rail Reader millisecond s Multiprotocol Rail Reader System Guide NAK P passback PC PCKS protocol PRST PWRB R RAM RDID read reader read zone RF RFID RFST ROM RTC RTS SCTS A 6 negative acknowledgment data not valid used to refer to a tag ID that is not passed on to the tag buffer personal computer EPROM flash checksum specified convention for the format of data messages communicated between devices presence status power fail bit random access memory reader ID process of acquiring data from a device for example from a tag or from computer memory controlled interrogating device capable of acquiring data from a device for example acquiring and interrupting data from a tag the physical area in which a tag can be read by the reader radio frequency radio frequency identification RF status read only memory real time clock request to send status of check tag status Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document SeGo SN som SSTC tag TRU TT Ver write X XON XOFF Glossary Super eGo SeGo is a superset of the eGo protocol serial number start of message input status change reporting options small self contained device acting as an identifying transponder Train Recording Unit
155. ontrolling 8 15 presence controlling 8 15 presence detector controlling 8 14 sense inputs 8 15 sense output device 8 16 serial port communications 8 16 software flow control 8 17 configuring the MPRR 8 3 8 12 connecting communications 4 12 required materials 4 13 Earth Ground 4 8 ground stud location 4 8 MPRR to the Host 4 13 power 4 8 power supply 4 12 sense input circuits 4 13 sense output circuit 4 14 connecting sense input 4 13 connecting sense output 4 13 connection description dialog box 8 5 conventions typographical 1 5 CRC See cyclic redundancy check CRC calculation 6 14 6 17 current requirements 2 11 current standby operating 2 11 current worst case maximum 2 11 cyclic redundancy check 6 4 D data inquiry protocol 7 25 data mode 7 3 7 5 date set 7 9 DB15 connector 4 8 default operating parameters 7 30 default parameters 8 3 disable l 4 ATA 7 14 automatic periodic RF status report 7 36 eATA 7 15 echo mode 7 26 MPRR mode 7 36 SeGo 7 15 SeGo protocol tag initialization during multi tag sort 7 14 tag translation mode 7 14 Discharging voltage required equipment 4 5 display appended information status 7 17 boot checksum 7 22 communications port parameters 7 16 communications protocol status 7 17 echo status 7 22 flash checksum 7 22 hardware configuration information 7 15 input status change report options 7 23 operating mode status 7 23 power fail bit 7 16 presence input status 7 19 reader ID number 7 16
156. ore Connected 5 05 22 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Printecho 2 Figure 8 5 Sign on Message The sign on message appears as follows at a baud rate of 38 400 bps Model software version SNSSSSSS Copyright notice where SSSSSS is the serial number assigned to the MPRR skipping the fourth character printed on the reader product label Serial number 000000 is the default setting and is not a valid number If this number appears in the sign on message the serial number has not been stored into reader memory Contact TransCore Technical Support at 505 856 8007 If the flash memory checksum is not verifiable the sign on message appears as follows Model E4 BOOT Ver 0 00 A Copyright notice If the failure message version number equals 0 00 no serial number exists the flash memory checksum has failed and the MPRR is operating out of boot ROM In this case the MPRR automatically enters download mode and waits for a new program to be loaded into the flash memory Follow the instructions in Program Download on page 5 5 Communications can also be verified by using the command sequence in Table 8 2 8 8 Configuring the Multiprotocol Rail Reader Table 8 2 Command Sequence to Verify Communications Entry MPRR Response Notes 01 CR Done lt CR LF gt Switches the MPRR to command mode 505 CR Model E4 Series Ver X XX Reports the software ver
157. ore the ECP timeout occurs it discards the incomplete message and resets its receiver Asynchronous Message Command Message Collision If the MPRR transmits asynchronous data at the same time that the host sends a com mand the MPRR gives priority to receiving the command It processes the command and sends a message before it retransmits the asynchronous data Host Addressed Failure Conditions The host device addresses the following failure conditions Illegal or Wrong Sequence Number If the host detects an illegal or wrong sequence number in a reader response it retrans mits the command with the same sequence number If the host detects an illegal sequence number in an asynchronous reader transmission it sends a NAK message Incorrect CRC If the host detects an incorrect CRC value in a reader message it retransmits the com mand with the same sequence number If the host detects an incorrect CRC value in an asynchronous reader transmission it transmits a NAK message Transmission Timeout If the MPRR does not respond to a host command within a specified interval the host software retransmits the command with the same sequence number Receive Timeout If the host receives a lt som gt but does not receive a matching lt eom gt within a specified timeout interval it discards the incomplete message and resets its receiver Asynchronous Message Command Message Collision If the host receives an asynchronous reader transm
158. ot complete until the host updates its sequence number cmd Command code a string that contains from two to four ASCII hex characters lt data gt Optional data field an ASCII string of as many as 20 characters in length For example the store hardware configuration string command is 696S S or command 696 Store Hardware Configuration String followed by the data string S S crc CRC value for the message eom End of message character ASCII CR Reader Command Response The basic protocol format is lt som gt lt resp gt lt eom gt The ECP format is lt som gt lt seq gt lt resp gt lt crc gt lt eom gt 6 8 Communications Protocols where lt som gt Start of message ASCII character lt seq gt Echo of sequence number received in host command message lt resp gt Response string The MPRR returns Done Error or another ASCII string depending on the host transmission This string can be up to 72 characters long crc CRC value for the message eom End of message character ASCII CR and LF Sample Messages This section contains examples of typical messages transmitted between the MPRR and the host device Reader Transmissions Basic protocol reader transmission KING 1302 eom Host response No host response for non ECP ECP reader transmission 4KING 1302 lt crc gt lt eom gt where Start of message character 4 Message sequence number KING 1302 Message data
159. otocols Manually Disabling ECP for Maintenance CAUTION Under certain conditions communications between the host and MPRR may be lost temporarily and maintenance may be required The reader or host is sending out a message and waiting for an acknowledgment When the acknowledgment is not received the message is sent again Additional messages are also buffered Often the first indication that the MPRR software is in an ECP loop is when the user techni cian sees a recurring display of the same message repeated on the monitor The proce dure described in the following paragraphs enables the maintenance technician to change configuration or test tag reading manually Assuming that the ECP timeout is at the factory default of 12 7 seconds or other value that allows enough time for the commands to be manually entered the following com mand sequence may be used to break out of an ECP loop This command sequence uses four ASCII lt gt characters 60 hex as wild card CRC values Note The ASCII lt gt character 60 hex is commonly located on the key You must acknowledge existing messages by issuing commands with the generic for mat x NN SM lt eom gt where Start of message character Message sequence number This must be the same as the sequence number of the message being acknowledged e ACK acknowledgment character ENS Wild card CRC value for the message lt eom gt End of message character The
160. ows the the communications power connector check tag connector and antenna ports loca tions on opposite ends of the MPRR Check Tag Connector Antenna Ports 4 Communications Power Connector HW 0420 Figure 2 1 MPRR End Views 2 3 Multiprotocol Rail Reader System Guide Tags The MPRR has the capability to read TransCore AAR formatted read only full frame tags and TransCore SeGo protocol tags for example the AT5118 Harsh Environment Transportation Tag and the AT5120 Transportation Tag How It Works The MPRR directs the module to generate an RF signal which is broadcast through the external antenna mounted railside Entering the MPRR s reading range a TransCore RFID tag installed on a railcar or other asset to be tracked adds its pro grammed identification information to the signal and reflects the signal back to the MPRR The MPRR receives this modified or modulated signal and decodes the tag data carried by the reflected signal and transmits this data to the Train Recording Unit TRU or local host computer for processing Overview of Site Planning Developing a site plan provides the foundation for the site s system design and estab lishes the following system configuration parameters e Number and general location of primary components e Number of different radio frequencies required Gathering relevant site information is crucial before applying for Federal Communi cations Commission FCC or
161. p of the rail The tag should not cover car stenciling Multiprotocol Rail Reader System Guide Figure 3 8 illustrates the tag placement window on the right front portion end of the rail car The right boundary of the tag placement window is the center line of the truck Tho left boundary of the tag placement window Is 2 feet from Rall Car i Rall Car the tag placement window is 2 feet from the top of the rail End i 3 A End of The bottom boundary of y Figure 3 8 Tag Placement Window Location for Rail Cars A Right Side Figure 3 9 illustrates the tag placement window on the left rear portion end of the rail car The right boundary of the tag placement window is the center line of the truck The left boundary of the tag placement window is 2 feet from the center line of the inside axle towards the center of the vehide 2f aN prom e m m mn a a the top of the rail Figure 3 9 Tag Placement Window Location for Rail Cars B Left Side 3 10 Choosing Installing and Removing Tags Tag Placement Optimal tag placement centers the tag on the left boundary line of the tag placement window Figure 3 10 Alternately the tag may be mounted so that the center of the tag falls anywhere within the tag placement window provided there are no obstructions of the tag s clear zone
162. parison data bytes are to be compared for the Group Select filter AA determines the start ad dress in the tag memory for the comparison data D D 8 byte field 16 charac ters used by the tag as the com parison data for the group select filter 697 Done Software flow control enable 6141 Done Stop bit use one 1010 Done Stop bit use two 1011 Done Switch on RF port 0 fire off check tag address 0 on check tag pin 0 8110 Done Switch on RF port 1 fire off check tag address 1 on check tag pin 0 8111 Done Switch on RF port 2 fire off check tag address 0 on check tag pin 1 8112 Done Switch on RF port 3 fire off check tag address 1 on check tag pin 1 8113 Done Tag ID separation select four 4103 Done Tag ID separation select one 4100 Done Tag ID separation select three 4102 Done Tag ID separation select two 4101 Done Tag translation mode status display 534 TT 0 to 1 0 tag translation mode disabled 1 tag translation mode enabled Time and date appended 302 Done Command Quick Reference Table D 3 MPRR Commands Listed Alphabetically continued Command Name Code Reader Message Time and date display 22 Time and date Time and date not appended 300 Done Time set 20 Done Uniqueness reset 440 Done Uniqueness time out set
163. passive device that converts RF energy into magnetic energy RF signal American Standard Code for Information Interchange application specific integrated circuit American Trucking Association auxiliary AWG American Wire Gauge is a U S standard set of non ferrous wire conductor Sizes portion of an RF signal that is modulated by a tag and radiated back to the reader measure of number of bits per second of a digital signal for example 9600 baud 9600 bits per second boot checksum buffer control mode bits per second a binary character for example one 8 bit ASCII character tag mounted inside a reader assembly inside or in close proximity to an external antenna that is used to check operation of the reader Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document A 3 Multiprotocol Rail Reader System Guide cmd comm command conduit cps CR CRC CTRL CTS data DC DIAG ECP ECPS eGo eol eom EPROM field command communications data set that is recognized by the receiving device as intending to elicit a specific response flexible steel pipe use for electrical wiring characters per second carriage return cyclic redundancy check control clear to send information that is processed by a computing device direct current diagnostic error correcting protocol error correcting protocol status Proprietary
164. pment All test ing and repairs are performed at TransCore s factory Please contact TransCore to obtain a Return Materials Authorization RMA for returning the reader Technical Support Authorized dealers and distributors are responsible for the direct support of all cus tomers Authorized dealers and distributors needing support can contact TransCore Technical Support at 505 856 8007 Please be prepared to answer a series of ques tions that are designed to direct you to the best TransCore support resource available These questions will relate to symptoms configuration model and tags used Note End users and facility operators contacting Technical Support will be referred to the dealer responsible for the system sale Marketing Support Dealers requiring marketing support may call TransCore Marketing at 214 461 6443 9 00 a m to 5 00 p m Central Standard Time Monday through Fri day 10 Interface to Train Recording Unit Chapter 10 Interface to Train Recording Unit This chapter describes the communication power interface between the Multiprotocol Rail Reader MPRR and the Train Recording Unit TRU TRU System Overview The TRU is a system composed of hardware and software that is used at mainline rail locations in North America The TRU records detailed information about trains uses the information to create consists for the trains and then transmits consist reports to a host computer system A t
165. port information updated throughout system guide 004 06 12 Added newly released tags to list of tags read by MPRR to Chapter 3 and Appendix E The tags are AT5413 AT5414 AT5415 and AT5910 Repeated communications cable part numbers 58 7001 003 and 58 7001 004 in pin designation tables in Chapter 4 and Appendix C and added cable lengths for 58 7001 003 and 58 7001 004 to references on page C 4 vii Multiprotocol Rail Reader System Guide viii Contents Contents Health Limits for Multiprotocol Rail Reader Using External Antenna 902 MHz v Health Limits for Multiprotocol Rail Reader MPRR Using External Antenna 660 2 PETERE vi Summary of Revisions to Multiprotocol Rail Reader System Guide vii 1 Introduction PUPRDOSO x ck cap LA te ceto A 1 3 ou ud race ER o eate Oe ke RR e aaa orca RC MR E EUR RR 1 3 System Guide Organization 1 3 Typographical 5 1 5 Licensing 1 1 6 Technical 5 s io e eeu IA NS uoce eese 1 6 2 Developing the Site Plan System DescHplIlOn ici Dai a SIR bea a ES 2 3 FIOQUDE 2 3 TAO A Pun BES AA 2 4 How It WOrke es se ee a be en 2 4 Overview of Site
166. rain clean consist report is a train listing in standing order where orientation of tagged equipment is provided location of untagged equip ment is provided and car count is accurate The TRU accommodates normal operat ing procedures such as changes in speed and reverse and incorporates intelligence to handle both single and multi track locations The TRU System hardware includes the TRU box RFID reader s or connection for the Multiprotocol Rail Reader MPRR antennas wheel detectors presence loops external device interfaces communications interfaces and other optional peripherals Figure 10 1 10 3 Multiprotocol Rail Reader System Guide Figure 10 1 TRU Front Panel Showing Operational LEDs 10 4 Interface to Train Recording Unit MPRR to TRU Connection The MPRR and TRU typically are installed in the same railside hut and are connected by a communication power cable Figure 10 2 shows the TRU circular connector port for the MPRR interface cable Communications Power Connector to MPRR HW 0417 Figure 10 2 TRU MPRR Communications Interface Cable Port bottom of TRU 10 5 Multiprotocol Rail Reader System Guide Figure 10 3 shows a graphical representation of the communications interface cable To MPRR To TRU HS 0114 Figure 10 3 MPRR TRU Communications Interface Cable Table 10 1 lists the MPRR to TRU communications interface pin designations and signal descriptions Table 10 1 MPRR to TR
167. re Off Check Tag Address 0 on Check Tag Pin 0 Reader response Done e Command 8111 Switch on RF Port 1 Fire Off Check Tag Address 1 on Check Tag Pin 0 Reader response Done e Command 8112 Switch on RF Port 2 Fire Off Check Tag Address 0 on Check Tag Pin 1 Reader response Done e Command 8113 Switch on RF Port 3 Fire Off Check Tag Address 1 on Check Tag Pin 1 Reader response Done Command 8150 Set Check Tag Address to 0 on Check Tag Pin 0 Reader response Done e Command 8151 Set Check Tag Address to 1 on Check Tag Pin 0 Reader response Done e Command 8152 Set Check Tag Address to 0 on Check Tag Pin 1 Reader response Done e Command 8153 Set Check Tag Address to 1 on Check Tag Pin 1 Reader response Done Note The MPRR transmits ID codes to the host device when the MPRR is in data mode CAUTION Commands 01 Switch to Command Mode Command 01 switches the reader to command mode which allows the reader to accept commands from a host or terminal While in command mode the reader turns RF off and does not acquire tags Reader response Done Communications Port Control Command Group 1 Group 1 commands configure the parameters used by the MPRR to communicate with a host device or terminal These commands set baud rate stop bits parity and end of line delay 100N Select Baud Rate Command 100N selects the reader baud rate The factory default setting is 9600 baud Th
168. re assigned the reader message is RFOS UO VO which means separation of one ID for uniqueness filtering and a valid ID code criteria of one acquisition 534 Display Tag Translation Mode Status Command 534 displays tag translation mode status enabled or disabled If tag translation mode is enabled incoming full frame tags in AAR or ATA format are translated according to ISO standards Refer to 452 Disable Tag Translation Mode Factory Default on page 7 14 and 453 Enable Tag Translation Mode on page 7 14 for more information Reader response TT 0 to 1 where 0 tag translation mode disabled 1 tag translation mode enabled 7 21 Multiprotocol Rail Reader System Guide 7 22 537 Display Echo Status Command 537 displays echo mode status In basic protocol 610 Select Basic Communication Protocol and data inquiry protocol 613 Enable Data Inquiry Pro tocol the reader may be configured to enable 6171 Enable Echo Mode or disable 6170 Disable Echo Mode the echo of received commands Refer to sections 6170 Disable Echo Mode and 6171 Enable Echo Mode Factory Default on page 7 26 for more information Reader response ECHO lt 0 to 1 gt where 0 Echo status disabled factory default 1 Echo status enabled 540 Display Flash Checksum Command 540 displays the flash memory checksum Reader response PCKS 10000 where 0000 Not applicable to the MPRR XXXX Represents the
169. re per mitted by FCC to set the RF By using the MPRR an authorized person can set the frequency within the range from 860 to 930 MHz in 0 25 MHz steps You can set the frequency by using a terminal emulation program and issuing the frequency command as discussed in section 647XXX Select RF Operating Frequency on page 7 29 Note For backward compatibility to existing controllers you can set the RF operat ing frequency in 500 kHz steps using command 642NN To set the frequency range Ensure that the host device is in command mode 2 Enter command 647XXX where XXX is a hexadecimal value from 000 to 118 and press ENTER See command 647XXX Select RF Operating Frequency on page 7 29 for a complete listing of the hexadecimal values and the corresponding frequencies 3 verify that the RF has been changed to the proper setting type in command 527 to see the current frequency setting Caution Contact TransCore if your application requires a frequency outside of the autho rized frequency range RF Transmission The RF transmission can be controlled by one of the following methods e Connecting a presence detector to the SENSEO circuit The host device sending software commands to the MPRR As a factory default the MPRR is configured to control the RF power with a presence detector Figure 8 9 illustrates the methods of controlling RF sense output Configuring the Multiprotocol Rail Reader Option A Co
170. re stripper e At least one MPRR compatible antenna Suitable RF interface coaxial cable Pre installation Testing of the MPRR 4 4 Before installing the MPRR permanently at the site you should use an audible circuit tester to confirm that the MPRR has power and can read a tag that is in the tag read zone Testing the MPRR Using an Audible Circuit Tester An audible circuit tester is also called a buzz box These boxes are available at some electronic parts supply stores or you can make a buzz box as shown in Figure 4 1 The buzz box is powered by a 9V DC battery and is equipped with two alligator clip leads When you touch the leads together the box makes an audible sound CAUTION Installing the Multiprotocol Rail Reader Pin 7 of Communications Port DB15 Connector Pin 10 of Communications Port DB15 Connector WD 0091 Figure 4 1 Wiring for Audible Circuit Tester To test the MPRR connect the antenna and power supply as described in the appropri ate section below Discharging Voltage from the Antenna Use these instructions to discharge high voltage from the antenna before proceeding with further pre installation testing of the reader connected to an antenna Required Equipment This procedure requires the following equipment e MPRR External antenna e Grounding RF cable long enough to reach Earth Ground source e N type load e g 50 or RF attenuator e g 20 dB Caution During s
171. returning a message acknowledgement to the message sender With ECP all transmissions require a message If a message is not received the sender will time out with the same effect as if it had received a negative acknowledgment from the host or an Error message from the MPRR Software XON XOFF flow control is optionally supported Be careful in the use of XON XOFF since noise induced characters may be interpreted by the MPRR as the XOFF character which would suspend reader output without information reaching the host device For more information see Software Flow Control on page 8 17 Note TransCore recommends that XON XOFF flow control be disabled while using ECP Multiprotocol Rail Reader System Guide Basic Protocol With basic protocol messages sent to and from the MPRR and the host are transmitted without error checking For each host transmission the MPRR returns a Done or Error message to the host When the host device is physically close to the MPRR and no sources of interference exist the basic protocol provides reliable communications The host must be ready to receive reader transmitted messages because in basic proto col the MPRR does not wait for the host to acknowledge a message before transmit ting the next message If necessary the host may halt reader transmissions by using software or hardware flow control Refer to Chapter 8 for flow control information Error Correcting Protocol 6 4 When
172. ructions D Obstructions Allowed Allowed AA eas in 1 in 1 in Figure 3 2 Clear Zone End View Figure 3 3 shows examples of acceptable and unacceptable mounting locations based on the clear zone Any obstructions in the clear zone may introduce reading problems Multiprotocol Rail Reader System Guide with the tag Refer to the mounting specifications chapters for each type of equipment for tag placement window locations no obstruction of clear zone Unacceptable Location obstruction of clear zone Preferred Location g Placement Figure 3 3 Mounting Location Examples Surface Installation Techniques Backing plates are preferred for attaching tags to equipment but tags may be mounted directly to the car at the owner s discretion Aluminum material is permitted as a substitute for the mounting plate material specified when required for compatibility with the car surface When painting the backing plates protect the studs from paint Two approved methods for mounting tags and backing plates on locomotives and railcars are rivet and bolt mounting Note Weld the backing plate to the freight car side sheet but be certain the backing plate is kept flat If the car side sheet is deformed spacing of welds may vary to accommodate waviness of the freight car side Note Allow the backing plate to cool after welding before mounting the tag Rivet Bolt Mounting Guidelines Select a means for mo
173. s calculated using a maximum antenna gain of 14 0 dBi equivalent to the antenna gain of the external Low Fre quency Universal Toll Antenna Warning At 2 W transmitted power and a distance of 33 inches 84 cm from the antenna the maximum power density calculated was less than 0 58 mW cm Install the antenna at least 33 inches 84 cm from the general public Maintenance personnel must remain at least 15 inches 38 cm from antenna when system is operating The data confirms that the TransCore MPRR effectively meets OSHA requirements and thus does not represent an operating hazard to either the general public or mainte nance personnel Summary of Revisions to Multiprotocol Reader System Guide Summary of Revisions to Multiprotocol Rail Reader System Guide Version Date Number Revised Summary of Changes N A 11 10 Preliminary version for FCC submittal 002 04 11 Incorporated material covering readers used in the 860 to 880 MHz range Added caution statement regarding setting frequencies used outside the U S Added Health Limits page for safe distance at 860 MHz Added AT5120 Transportation Tag to list of tags read by MPRR Added Table 2 2 which lists examples of staggered reader frequencies for 860 880 MHz use Added Table 2 5 which lists maximum cable lengths for 860 880 MHz use Added AT5120 Transportation Tag to list of tags read by MPRR Chapter 3 and Appendix E Updated Index 003 01 12 TransCore Technical Sup
174. s enabled you must use SenseO and Sensel to turn on RF and read tags SenseO when shorted to reader signal ground will enable tag reads on RF ports O and 1 if enabled with 851 and Sensel will enable tag reads on Ports 2 and 3 if enabled with 853 For example if commands 837 and 853 have been entered SenseO is open Sensel shorted and the reader is in data mode the reader will attempt tag reads toggling between RF ports 2 and 3 only Smart muxing ATA tag data sniff ing and ATA dwell of two handshakes per antenna is automatic in MPRR mode MUX Test Modes To enable antenna muxing test modes issue the following commands 891 RF port 1 only 892 RF port 2 only 893 RF port 3 only To use these test modes MPRR mode must be disabled 836 and muxing must be disabled 850 These command modes are not saved to NVM and will be cleared by a power cycle of the reader or by enabling either MPRR mode or muxing When these Commands modes are enabled the reader will continually run through whichever tag protocols have been enabled but only on the selected RF port These test mode commands are qualified by the on by sense settings Use 6401 to disable RF on by sense 1f desired 7 39 Multiprotocol Rail Reader System Guide 7 40 O Configuring the Multiprotocol Rail Reader Chapter 8 Configuring the Multiprotocol Rail Reader This chapter provides instructions for configuring the Multiprotocol Rail R
175. s if the reader fails the specified test Table 9 1 contains a list of error messages Table 9 1 Error Messages Error Message Description Corrective Action Error06 NVRAM parameters have been lost The Reset the frequency using command MPRR will not function properly because 647XXX the RF section is shut off until the frequency is reset Error07 The RF phase locked loop PLL has lost Reset the RF frequency Refer to Radio lock and is unable to operate at its Frequency on page 8 14 for instructions intended frequency RF output is disabled while the MPRR attempts to reset the PLL Error08 The RF PLL has successfully regained No action necessary the previous error lock and has been reset to its proper has been corrected operating frequency The RF section is returned to its state prior to losing lock enabled disabled Error08 will only be issued after Error07 has been issued ErrorRF1 Warning message that the RF board did If the reader indicates a single ErrorRF1 not return an update acknowledge signal event and recovers from the error no corrective action is required You may want to track this error message if it should occur again If the reader indicates repeated ErrorRF1 warning messages then return the reader to the factory Multiprotocol Rail Reader System Guide Table 9 1 Error Messages continued Error Message Description Corrective Action
176. scribed previously in the section Connecting the Antenna on page 4 7 Note Adjust the antenna s to provide the most direct line of sight to the tags Connecting the Power Supply CAUTION After mounting the MPRR connect the reader to a dedicated 16 to 20 AC or 16 to 28 DC power supply If the MPRR is connected directly to a TRU all power supply connections are made through the MPRR to TRU cable assembly Caution To avoid damage to the MPRR connect the MPRR to ground before powering up the reader or connecting the antenna s Connect the antenna s before applying power to the reader Connecting Communications 4 12 The MPRR communicates through RS 232 protocol Installing the Multiprotocol Rail Reader Required Materials You need the following materials to connect the communications cable P N 58 7001 003 or 58 7001 004 to the host device e Host device Any terminal emulation program such as Procomm Plus or Hyper Terminal oper ating on a PC e the MPRR is connected directly to a TRU all communications connections are made through the MPRR to TRU cable assembly P N 58 7001 001 or 58 7001 002 Connecting the MPRR to the Host MPRR communications and customer interface signals are supplied from the MPRR to the host through a multiwire cable The connector for this cable is located on the end of the MPRR Figure 4 6 Plug one end of the MPRR communications power interface connector into the DB
177. sections provide information about each command in command number order Refer to Appendix D for listings of commands in numerical and alphabetical order In the following text the symbols lt and gt represent variable message data These symbols are not part of the message syntax Hex digits 0 9 A F in either uppercase or lowercase characters may be used in data strings and for hex digits A F Reader Mode Control Command Group 0 Group 0 commands control reader mode The mode determines whether the reader is transmitting data to or receiving data from a host device or terminal 00 Switch to Data Mode Factory Default Command 00 switches the reader to data mode which allows the reader to transmit tag data ID codes to the host In addition to switching the reader to data mode com mand 00 automatically saves to non volatile memory NVRAM any user parame ters that had been changed during the command mode session The reader enters data mode on power up Caution To save user parameter changes to non volatile memory NVRAM you must send command 00 before powering down the reader When MPRR mode has been enabled 837 and while the MPRR is in data mode the host device can send the following commands to the MPRR e Command 01 Switch to Command Mode Reader response Done Multiprotocol Rail Reader System Guide Command 440 Reset Uniqueness Reader response Done e Command 8110 Switch on RF Port 0 Fi
178. sing the NN value until the read zone matches the desired read zone When the desired read zone is established test the read zone with simulated and real traffic by performing the following procedures To test the read zone 1 2 Ensure that the MPRR is in data mode With the MPRR operating place one tag behind your back while you hold another tag in the new read zone If a valid read the data from the tag held in the read zone displays on the host device screen Switch tags placing the other tag behind your back and holding the first tag in the read zone If a valid read the data from this tag held in the read zone displays on the host device screen If both tags are read you have successfully adjusted the read range If one or both tags did not read follow the suggestions in Verifying Tag Read Capability on page 8 9 9 Troubleshooting and Maintenance Chapter 9 Troubleshooting and Maintenance This chapter contains information for troubleshooting a Multiprotocol Rail Reader MPRR and performing minimal maintenance checks the chapter also includes information for returning products for repair technical support and contact information for providing feedback and suggestions to TransCore Error Messages The MPRR transmits an error message if a command received from the host is not a recognized command or if information supplied with the command is incorrect The reader sends this message to diagnostic command
179. sion and SN97001P lt CR LF gt serial number 00 CR Done lt CR LF gt Returns the MPRR to data mode 3 Ifa successful sign on message is not returned check connections and communications factors and correct any errors To check connections and communications factors 1 Confirm that the MPRR has power 2 Verify the connections between the PC and the MPRR 3 Verify the receive Rx and transmit Tx connections 4 If using handshaking verify the request to send RTS and clear to send CTS connections 5 Verify the COM port settings for the MPRR using the instructions in Serial Port Communications on page 8 16 Repeat the procedures in Verifying Communications on page 8 7 If you still cannot verify the MPRR and PC communications use the information in Technical Support on page 9 6 to contact TransCore Verifying Tag Read Capability After verifying communications between the MPRR and the PC verify the capability to read tags The test tag should match the tag type and protocol of the tags that your system will be reading The polarization of the test tag must be aligned in the same direction as the antenna Figure 8 6 shows horizontally polarized antenna and tag Note Matching the tag and antenna polarization is critical to obtain optimal system performance Multiprotocol Rail Reader System Guide 8 10 CAUTION TA 0016 Figure 8 6 Tag and Antenna Orientation horizonta
180. st MODOS Pues Quae aa alt eiu ess 7 38 8 Configuring the Multiprotocol Rail Header Configuring the 8 3 Default Operating Parameter Settings 8 3 xvi Contents Configuring Parameters with Terminal Emulation Software 8 4 Starting the Terminal Emulation 8 4 Verifying COMMUNICATIONS x near 8 7 Verifying Tag Head 8 9 Configuring MPRR 5 8 12 Appendod Tag Data sensorer merni en oe Sed erre s Dot prati hed eiserne 8 12 Redan eat RATS ein RA HRS EIE 8 12 REPONS PH Pe PE 8 13 Reset Reader Loose a arany aen ER Elo Rod leg s ie Pare ena 8 13 Radio oo vx uud uv E ner 8 14 RF Transmission as er RR au Rea REX NER EM qeR ee pa e 8 14 Presence Detector Controlling RF 8 15 Host Controlling HF Transmission ansehen 8 15 Sense InpUls i 1o sed 8 15 Sense Output R ie 8 16 Serial Port Communications e coa as e eU NES TES 8 16 Port Configuration Parameters 8 17 Communications
181. tags and TransCore Super eGo SeGo proto col tags Before you begin installing the MPRR TransCore recommends that you familiarize yourself with this manual This document is intended to be used by authorized TransCore MPRR dealers install ers and service personnel Because the MPRR has no operator or end user service able components or features no end user manual or operator guide exists Once the system is set up and tested by the authorized installer MPRR operation requires no end user intervention System Guide Organization The chapters of this guide and a description of the contents are listed below e Chapter 1 Introduction explains the purpose and describes the audience for the guide outlines the manual s organization provides a brief description of the MPRR and discusses Federal Communications Commission FCC licensing requirements e Chapter 2 Developing the Site Plan discusses factors to be considered when developing the site plan and before ordering equipment and installing the MPRR These considerations include antenna and tag alignment site layout and traffic flow and electrical and communications requirements e Chapter 3 Choosing Installing and Removing Tags contains information on compatible tag models and provides procedures for installing tags onto and removing tags from railcars where the MPRR is installed Multiprotocol Rail Reader System Guide Chapter 4 Installing the
182. the quality of data communications is imperative or may be suspect you can invoke ECP to ensure the integrity of data transmitted between the MPRR and the host Note TransCore recommends that basic protocol not ECP be used when commands are entered manually at the keyboard Error correction is accomplished with the use of a cyclic redundancy check CRC value that is based on the message data The originator reader or host calculates the CRC value of a message and includes it in the transmitted message The recipient reader or host also calculates a CRC value for the received message If the transmitted message data is correct the CRC value calculated by the recipient will agree with the CRC value calculated by the originator If the CRC values do not agree the recipient rejects the message Message sequence numbers are also included when using ECP These sequence num bers are checked to determine if the message received has the correct sequence num ber if not the recipient rejects the message Because the seven bit ASCII code is used and there are eight data bits per character the eighth bit can optionally be used to support parity Where parity is selected the CRC value calculation includes the parity of each character in the calculation of the CRC value Parity is required to achieve the most reliable communications If parity is enabled both the MPRR and the host must issue a message if any received character has a par it
183. tighten the nuts on the cable end snugly Figure 11 6 Figure 11 6 Plastic Nuts with Grommets As the nut is tightened the connector compresses the grommet around the check tag cable To assemble the kit for one check tag 1 Follow the procedure steps described above in steps 1 through 6 but connect only one check tag cable Caution If connecting only one check tag you must insert and secure the nylon closing cap CAUTION into the unused terminal connector to protect the terminal strip from possible contamination 2 To cover the unused terminal connector insert the nylon closing cap into the plastic cap with rubber grommet and tighten snugly Figure 11 7 Figure 11 7 Nylon Cap Securely Fastened in Unused Port To connect the check tag assembly to the MPRR Remove the dust cover from the Check Tag port of the MPRR and plug in the check tag cable assembly Figure 11 8 Be sure that the two handles snap into place on the MPRR This ensures a solid connection AT5720 Check Tag to MPRR Assembly Figure 11 8 Check Tag Assembly Secured to MPRR Port single check tag assembly shown Multiprotocol Rail Reader System Guide 11 8 A Glossary AAR AC ACK ANSI antenna ASCII ASIC ATA aux AWG B backscatter baud BCKS BCM bps byte check tag Appendix Glossary Association of American Railroads alternating current acknowledge data valid American National Standards Institute
184. ting interference with 2 9 reflection refraction and diffraction 2 0 status 7 18 timeout period 7 31 See also radio frequency RF module 2 3 RF signal electrical interference 2 9 reflection refraction and diffraction 2 9 1 6 RF transmission 8 14 host control 8 15 presence control 8 15 RFO filter status 7 21 RF by input control 7 27 S second successful tag read screen 8 11 SeGo 1 3 3 3 SeGo protocol operating range 7 28 select ATA operating range 7 27 basic protocol 7 24 baud rate 7 7 error correcting protocol 7 24 error correcting protocol timeout 7 25 flow control option 7 25 input inversion option 7 32 parity 7 8 presence without tag report option 7 30 RF control algorithm 7 31 RF operating frequency 7 29 RF timeout period 7 31 RF by input control 7 27 stop bits 7 7 unique ID code criteria 7 12 valid ID code criteria for RF channel0 7 13 sense inputs 8 15 sense output device 8 16 serial number 7 33 serial port communications 8 16 set reader ID number 7 24 RF attenuation 7 28 SeGo protocol operating range 7 28 serial number 7 33 uniqueness timeout 7 13 set check tag address to 0 on check tag pin 0 7 35 set check tag address to 0 on check tag pin 1 7 35 set check tag address to 1 on check tag pin 0 7 35 set check tag address to 1 on check tag pin 1 7 35 set check tag character on check tag pin 0 7 35 set check tag character on check tag pin 1 7 35 set date 7 9 set time 7 8 shipping carton contents 4 3 sign o
185. tion must be configured correctly as described in the section Verifying Communications on page 8 7 To configure parameters 1 Switch to command mode by typing 01 at the prompt on the terminal emulation screen and pressing ENTER Note All MPRR commands are preceded by the start of message character 2 To meet requirements of your site make changes to default operating parameters as described in the following sections The following sections contain procedures to set some of the parameters that are commonly changed to meet the requirements of a specific site Procedures are listed in alphabetical order by parameter Appended Tag Data Use this procedure to set appended tag data parameters using the terminal emulation application See 31N Append Auxiliary Information Selection on page 7 10 for more information To set appended tag data parameters 1 Ensure that the host device is in command mode 2 Enter command 311 to append auxiliary information or command 310 to have no auxiliary information appended factory default Press ENTER ID Separation The host can select a unique ID separation of one ID or two IDs The reader default operation is for a unique ID separation of one ID and a uniqueness timeout of two minutes You can disable the uniqueness check using command 40 Transmit All ID Codes In this case every tag ID received is transmitted without regard to unique ness You can reinstate uniqueness che
186. tructure is added or removed system operation can be seriously affected For instructions on setting the read zone see Fine Tuning and Verifying the Read Zone on page 8 18 Other MPRRs and Antennas in the Area AAR formatted Tag Operation For AAR formatted continuous wave tag operation sites with more than one MPRR in proximity be configured with a frequency separation of at least 2 MHz from adja cent readers If more than one is in a multiple track application the frequencies should be staggered MPRR antennas can face each other across a rail track as long as they are multiplexed and controlled by the same MPRR For installations where multi ple antennas are controlled by a host processor with multiple MPRRs or where multi ple MPRRs are used in close proximity ensure that there is adequate frequency CAUTION Developing the Site Plan separation between the antennas Contact TransCore Technical Support with any ques tions Table 2 1 shows examples of staggered reader frequencies in a site with up to seven readers Caution TransCore advises to locate antennas controlled by an MPRR at least 24 feet 7 3 meters away from antennas that are controlled by another MPRR There is no minimum spacing for antennas connected to the same MPRR Table 2 1 Examples of Staggered Reader Frequencies for AAR formatted Tag Operation Rail Number Reader Frequency 911 50 918 50 913 00 915 00 921 50 917 00 91
187. ue ID Code Criteria 410N commands IDs that do not pass the validation test are not reported For example command 4203 specifies that the same ID must be obtained from the antenna RF module 4 times in succession before it is considered for the uniqueness test This feature is useful in installations where RF reflections may cause a single tag to be read multiple times or where an occasional ID might be read from fringe areas 440 Reset Uniqueness Command 440 causes the ID filtering process set by Select Unique ID Code Criteria 410N to restart It is used in conjunction with the Set Uniqueness Timeout 44N commands This command provides a one time reset at which point the previ ously set timeout interval resumes This command can be sent in data or command mode 44N Set Uniqueness Timeout Places a time limit on the uniqueness criterion set by Select Unique ID Code Criteria 410N The parameter N sets the number of minutes on the timeout clock The fac tory setting is two minutes N 1 Command Timeout Clock 441 2 minutes factory setting 442 15 seconds 443 30 seconds Entering these commands effectively expires the timeout clock which erases all cur rent IDs in the comparison register In effect the first ID that is acquired after the clock expires always appears to be new and is stored Newly acquired IDs are only tested against IDs that are registered after the clock resets 7 13 Multiprotocol Ra
188. uest and transmits the Done message one of the two following conditions may occur 1 If the host device receives the Done message then both the host and the MPRR switch to the new baud rate and communications are maintained Note In many applications the host must be set to the new baud rate as it does not change automatically Note The MPRR changes the baud rate immediately after issuing the Done message 2 However if the host does not receive the Done message transmitted by the MPRR the host assumes that the command was not properly sent and does not switch to the new baud rate causing a loss of communications Caution The host device should not attempt to change communications parameters or proto cols during marginal communications conditions otherwise a loss of communica tion can result Commands Download Mode In download mode the host can download new software to the MPRR While in download mode the reader communications port parameters are fixed at the following factory default settings 38400 baud 8 data bits 1 stop bit no parity soft ware flow control XON XOFF basic protocol While in download mode the MPRR turns RF off does not process tags and does not echo host commands Typically TransCore trained personnel download new application code using a cus tom firmware loader program Command List CAUTION Reader commands are divided into groups based on a primary function The following
189. ultifrequency high temperature AT5414 Transportation 10 1 2 chemical resistant case metal y external install 915 MHz frequency high AT5415 Transportation Beam 10 1 2 temperature chemical resistant case metal external install E 3 Multiprotocol Rail Reader System Guide Table E 4 SeGo Protocol Tags continued Number Number Tag Model tag Type Power oon of 128 Bit Special Features Number Source ASCII Frames Characters 10 915 MHz frequency water 5549 Rail battery 20 resistant metal external install AT5910 Transportation 8 year 20 1 Multifrequency high temperature battery chemical resistant case metal external install a These fields apply to eATA programmed tags only Contact TransCore for information regarding tags pro grammed with these features Table E 5 lists most AAR formatted tag models that are compatible with the MPRR Table E 5 AAR formatted Tags Number Number of Tag Model Power of 6 Bit Ri Number Tag Type Source ASCII Special Features Characters AT5110 Transporta Beam 20 1 915 MHz frequency metal external tion install AT5112 Access con Beam 10 1 2 915 MHz frequency metal external trol trans install portation AT5114 Access con 10 yr 10 1 2 Multifrequency metal external trol trans battery install portation AT5117 Rail External 10 1 2 915 MH
190. ultiprotocol Rail Reader Procedures To assemble the kit for two check tags 1 Strip the cable insulation to expose the three check tag wires Strip wire insulation approximately 1 4 inches to expose bare wire Slide the plastic nut and rubber grommet over the wires Figure 11 1 11 3 Multiprotocol Rail Reader System Guide Figure 11 1 Place Nut and Grommet Over Exposed Check Tag Wires 2 Pull the check tag wires through the connector housing Figure 11 2 Figure 11 2 Feed Check Tag Wires through Plastic Housing Connector 3 For Check Tag 0 insert and tighten the check tag wires to the terminal strip as shown in Figure 11 3 and Table 11 2 Figure 11 3 Connect Check Tag Wires Table 11 2 Check Tag 0 Wire Assignments Wire Color Pin No Ground Black 3 Power Red Data White 11 4 AT5720 Check Tag to MPRR Assembly 4 If connecting two check tags repeat steps 1 through 3 Connect Check Tag 1 to the terminal strip as listed in Table 11 3 Table 11 3 Check Tag 1 Wire Assignments Wire Color Pin No Ground Black 7 Power Red Data White Figure 11 4 shows both check tags connected to terminal strip Figure 11 4 Two Check Tag Assemblies Connected to Terminal Strip 5 Insert and tighten the two self tapping screws to secure the terminal strip Figure 11 5 Figure 11 5 Securing Terminal Strip into Connector Housing 11 5 Multiprotocol Rail Reader System Guide 6 To complete the connector assembly
191. unications are marginal or lost completely Note It is important that the host device limit the period during which the MPRR remains in command mode to avoid losing tag IDs RF is off in command mode and no tags can be read Reader Addressed Failure Conditions The MPRR addresses the following failure conditions Illegal Sequence Number not in the range 0 9 A F If the MPRR detects an illegal sequence number in a host command message it dis cards the received message and sends no response If it receives an illegal sequence number in an ACK message it responds as if a NAK had been received and retransmits the data Wrong Sequence Number If the MPRR receives the wrong sequence number in an ACK message it responds as if a NAK had been received and it retransmits the data Incorrect CRC If the MPRR detects an incorrect CRC value in a host command message it discards the received message No response is sent If it receives an incorrect CRC value in an ACK message it responds as if a NAK had been received and it retransmits the data Illegal Command If the MPRR receives an illegal command it returns its standard Error message Transmission Timeout If the MPRR transmits an asynchronous message and the host does not send an ACK before the ECP timeout occurs the MPRR retransmits the message Communications Protocols Receive Timeout If the MPRR receives a lt som gt but does not receive a matching lt eom gt bef
192. unting the tag that secures the tag but does not compromise the tag case Choosing Installing and Removing Tags Aluminum pop rivets are permissible but TransCore advises against using high pressure rivets for mounting the tag If using bolts and nuts to mount the tag avoid using excessive torque which may crack or break the tag case Tighten the nut until snug then tighten an additional 1 2 turn only Locomotive Mounting Guidelines Install two tags on each locomotive on opposite ends and opposite sides of the equipment Install one on the right front engineer s side and another on the left rear fireman s side Tag Placement Window Location Horizontally the tag placement window extends from the center line of the truck to two feet from the center line of the inside axle measure toward the center of the vehicle Vertically the tag placement window begins two feet above the top of the rail and extends to a maximum of five feet above the top of the rail Figure 3 4 illustrates the tag placement window on the right front portion engineer s side of the locomotive The boundary of the en tag placement window is 2 feet from the canterine of the inside axle towards the center of the vehicle is 5 feet from the top of the rail placement window is 2 feet from the top of the rail Figure 3 4 Tag Placement Window for Locomotives Right Front Multiprotocol Rail Reader System Guide F
193. y error However the message must not be transmitted before receipt of the eom character If the message is transmitted prematurely the MPRR will issue an Error message and the host device will issue a negative acknowledgment message Communications Protocols Data Inquiry Protocol Data inquiry protocol is a basic protocol option that allows the host to control transmission of reader tag data The selection of data inquiry protocol affects data mode operation As MPRR acquires tags 1t buffers them but does not transmit them Instead the host must poll MPRR for each tag by sending a CTRL E character hex 5 digit MPRR transmits one message tag ID or report data for each CTRL E it receives until the buffer is empty Each tag request message sent by the host consists only of the CTRL E character no som or eom characters are sent MPRR data transmission tag ID and report data format is the same as for basic protocol Selection of data inquiry protocol does not affect command mode operation Basic Protocol and ECP Format Note In the following text the symbols lt and gt are used to represent required vari able message data and the symbols and are used to represent optional data These symbols are not part of the message syntax Reader Transmissions The basic protocol format and the data inquiry protocol format are as follows lt som gt lt dat a gt lt eom gt The ECP format is as follows som seq data
194. z frequency weather resistant metal external install AT5119 Rail External 10 1 2 915 MHz frequency weather resistant metal external install AT5125 Transporta Beam 20 1 915 MHz frequency high tion temperature chemical resistant case metal external install AT5510 Trans 10 yr 20 1 Multifrequency metal external portation battery install AT5704 Transporta External 4608 256 Multifrequency dynamic tag metal tion external install AT5707 Transporta 8 yr 40 2 915 MHz frequency dynamic tag tion battery metal external install E 4 up to 34 seven bit ASCII characters If desired in place of 40 six bit ASCII characters the AT5707 can support Compatible Tag Information Tag Data Formats Tags are programmed at the TransCore factory with the tag model number date of manufacture and data format Contact TransCore for special order entry procedures for the format that applies to your system The following four tag data formats can be used e jO character alphanumeric ASCII Four alphanumeric characters are fixed and can be used to identify either the dealer or the user The remaining six positions are numeric and should be unique for each tag issued For example the entry ACME000001 might be specified as the first tag on the order entry form from ACME Rail Lines e 20 character alphanumeric ASCII Four alphanumeric characters are typically fixed and the remaining 16 positions are numbered sequentially e AA

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